Home / 566,282.11-781,485.75-308,175.71

Finding the Fourth Proportional to 566,282.11, 781,485.75 and 308,175.71

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Solution

The fourth proportional to 566,282.11, 781,485.75 and 308,175.71 is: 425,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,282.11 : 781,485.75 = 308,175.71 : x
  2. Step 2: Convert to fraction form
    566,282.11/781,485.75 = 308,175.71/x
  3. Step 3: Cross multiply
    566,282.11x = 781,485.75 × 308,175.71
  4. Step 4: Simplify right side
    566,282.11x = 240,834,925,861.13
  5. Step 5: Solve for x
    x = 240,834,925,861.13/566,282.11
  6. Step 6: Final answer
    x = 425,291.43

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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.