Home / 651,507.92-899,114.12-375,763.23

Finding the Fourth Proportional to 651,507.92, 899,114.12 and 375,763.23

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Solution

The fourth proportional to 651,507.92, 899,114.12 and 375,763.23 is: 518,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,507.92 : 899,114.12 = 375,763.23 : x
  2. Step 2: Convert to fraction form
    651,507.92/899,114.12 = 375,763.23/x
  3. Step 3: Cross multiply
    651,507.92x = 899,114.12 × 375,763.23
  4. Step 4: Simplify right side
    651,507.92x = 337,854,023,990.99
  5. Step 5: Solve for x
    x = 337,854,023,990.99/651,507.92
  6. Step 6: Final answer
    x = 518,572.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.