Home / 651,504.15-977,270.40-458,590.23

Finding the Fourth Proportional to 651,504.15, 977,270.40 and 458,590.23

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Solution

The fourth proportional to 651,504.15, 977,270.40 and 458,590.23 is: 687,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,504.15 : 977,270.40 = 458,590.23 : x
  2. Step 2: Convert to fraction form
    651,504.15/977,270.40 = 458,590.23/x
  3. Step 3: Cross multiply
    651,504.15x = 977,270.40 × 458,590.23
  4. Step 4: Simplify right side
    651,504.15x = 448,166,657,508.19
  5. Step 5: Solve for x
    x = 448,166,657,508.19/651,504.15
  6. Step 6: Final answer
    x = 687,895.32

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Double scale
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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.