Home / 566,421.54-781,263.68-372,767.55

Finding the Fourth Proportional to 566,421.54, 781,263.68 and 372,767.55

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Solution

The fourth proportional to 566,421.54, 781,263.68 and 372,767.55 is: 514,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,421.54 : 781,263.68 = 372,767.55 : x
  2. Step 2: Convert to fraction form
    566,421.54/781,263.68 = 372,767.55/x
  3. Step 3: Cross multiply
    566,421.54x = 781,263.68 × 372,767.55
  4. Step 4: Simplify right side
    566,421.54x = 291,229,746,033.75
  5. Step 5: Solve for x
    x = 291,229,746,033.75/566,421.54
  6. Step 6: Final answer
    x = 514,157.26

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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.