Home / 566,237.81-781,398.27-308,106.05

Finding the Fourth Proportional to 566,237.81, 781,398.27 and 308,106.05

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Solution

The fourth proportional to 566,237.81, 781,398.27 and 308,106.05 is: 425,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,237.81 : 781,398.27 = 308,106.05 : x
  2. Step 2: Convert to fraction form
    566,237.81/781,398.27 = 308,106.05/x
  3. Step 3: Cross multiply
    566,237.81x = 781,398.27 × 308,106.05
  4. Step 4: Simplify right side
    566,237.81x = 240,753,534,446.53
  5. Step 5: Solve for x
    x = 240,753,534,446.53/566,237.81
  6. Step 6: Final answer
    x = 425,180.96

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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.