Home / 651,427.40-977,141.10-587,145.80

Finding the Fourth Proportional to 651,427.40, 977,141.10 and 587,145.80

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Solution

The fourth proportional to 651,427.40, 977,141.10 and 587,145.80 is: 880,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,427.40 : 977,141.10 = 587,145.80 : x
  2. Step 2: Convert to fraction form
    651,427.40/977,141.10 = 587,145.80/x
  3. Step 3: Cross multiply
    651,427.40x = 977,141.10 × 587,145.80
  4. Step 4: Simplify right side
    651,427.40x = 573,724,292,872.38
  5. Step 5: Solve for x
    x = 573,724,292,872.38/651,427.40
  6. Step 6: Final answer
    x = 880,718.70

Related Problems

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Half scale
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Double scale
Find fourth proportional to 651,428.40, 977,142.60 and 587,146.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.