Home / 566,031.61-781,482.18-351,399.43

Finding the Fourth Proportional to 566,031.61, 781,482.18 and 351,399.43

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Solution

The fourth proportional to 566,031.61, 781,482.18 and 351,399.43 is: 485,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,031.61 : 781,482.18 = 351,399.43 : x
  2. Step 2: Convert to fraction form
    566,031.61/781,482.18 = 351,399.43/x
  3. Step 3: Cross multiply
    566,031.61x = 781,482.18 × 351,399.43
  4. Step 4: Simplify right side
    566,031.61x = 274,612,392,607.16
  5. Step 5: Solve for x
    x = 274,612,392,607.16/566,031.61
  6. Step 6: Final answer
    x = 485,153.81

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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.