Home / 651,623.60-977,435.40-651,623.60

Finding the Fourth Proportional to 651,623.60, 977,435.40 and 651,623.60

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Solution

The fourth proportional to 651,623.60, 977,435.40 and 651,623.60 is: 977,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,623.60 : 977,435.40 = 651,623.60 : x
  2. Step 2: Convert to fraction form
    651,623.60/977,435.40 = 651,623.60/x
  3. Step 3: Cross multiply
    651,623.60x = 977,435.40 × 651,623.60
  4. Step 4: Simplify right side
    651,623.60x = 636,919,974,115.44
  5. Step 5: Solve for x
    x = 636,919,974,115.44/651,623.60
  6. Step 6: Final answer
    x = 977,435.40

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Half scale
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Double scale
Find fourth proportional to 651,624.60, 977,436.90 and 651,624.60
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.