Home / 566,119.98-781,251.78-307,998.40

Finding the Fourth Proportional to 566,119.98, 781,251.78 and 307,998.40

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Solution

The fourth proportional to 566,119.98, 781,251.78 and 307,998.40 is: 425,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,119.98 : 781,251.78 = 307,998.40 : x
  2. Step 2: Convert to fraction form
    566,119.98/781,251.78 = 307,998.40/x
  3. Step 3: Cross multiply
    566,119.98x = 781,251.78 × 307,998.40
  4. Step 4: Simplify right side
    566,119.98x = 240,624,296,284.02
  5. Step 5: Solve for x
    x = 240,624,296,284.02/566,119.98
  6. Step 6: Final answer
    x = 425,041.16

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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.