Home / 516,314.15-712,616.03-329,926.47

Finding the Fourth Proportional to 516,314.15, 712,616.03 and 329,926.47

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Solution

The fourth proportional to 516,314.15, 712,616.03 and 329,926.47 is: 455,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,314.15 : 712,616.03 = 329,926.47 : x
  2. Step 2: Convert to fraction form
    516,314.15/712,616.03 = 329,926.47/x
  3. Step 3: Cross multiply
    516,314.15x = 712,616.03 × 329,926.47
  4. Step 4: Simplify right side
    516,314.15x = 235,110,888,158.60
  5. Step 5: Solve for x
    x = 235,110,888,158.60/516,314.15
  6. Step 6: Final answer
    x = 455,364.02

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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.