Home / 514,740.06-710,381.52-331,142.58

Finding the Fourth Proportional to 514,740.06, 710,381.52 and 331,142.58

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Solution

The fourth proportional to 514,740.06, 710,381.52 and 331,142.58 is: 457,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,740.06 : 710,381.52 = 331,142.58 : x
  2. Step 2: Convert to fraction form
    514,740.06/710,381.52 = 331,142.58/x
  3. Step 3: Cross multiply
    514,740.06x = 710,381.52 × 331,142.58
  4. Step 4: Simplify right side
    514,740.06x = 235,237,569,317.12
  5. Step 5: Solve for x
    x = 235,237,569,317.12/514,740.06
  6. Step 6: Final answer
    x = 457,002.65

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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.