Home / 762,832.89-1,142,854.11-357,280.74

Finding the Fourth Proportional to 762,832.89, 1,142,854.11 and 357,280.74

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Solution

The fourth proportional to 762,832.89, 1,142,854.11 and 357,280.74 is: 535,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,832.89 : 1,142,854.11 = 357,280.74 : x
  2. Step 2: Convert to fraction form
    762,832.89/1,142,854.11 = 357,280.74/x
  3. Step 3: Cross multiply
    762,832.89x = 1,142,854.11 × 357,280.74
  4. Step 4: Simplify right side
    762,832.89x = 408,319,762,132.84
  5. Step 5: Solve for x
    x = 408,319,762,132.84/762,832.89
  6. Step 6: Final answer
    x = 535,267.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.