Home / 566,110.19-781,238.24-307,988.59

Finding the Fourth Proportional to 566,110.19, 781,238.24 and 307,988.59

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Solution

The fourth proportional to 566,110.19, 781,238.24 and 307,988.59 is: 425,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,110.19 : 781,238.24 = 307,988.59 : x
  2. Step 2: Convert to fraction form
    566,110.19/781,238.24 = 307,988.59/x
  3. Step 3: Cross multiply
    566,110.19x = 781,238.24 × 307,988.59
  4. Step 4: Simplify right side
    566,110.19x = 240,612,463,991.68
  5. Step 5: Solve for x
    x = 240,612,463,991.68/566,110.19
  6. Step 6: Final answer
    x = 425,027.62

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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.