Home / 677,125.62-934,500.18-386,780.57

Finding the Fourth Proportional to 677,125.62, 934,500.18 and 386,780.57

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Solution

The fourth proportional to 677,125.62, 934,500.18 and 386,780.57 is: 533,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,125.62 : 934,500.18 = 386,780.57 : x
  2. Step 2: Convert to fraction form
    677,125.62/934,500.18 = 386,780.57/x
  3. Step 3: Cross multiply
    677,125.62x = 934,500.18 × 386,780.57
  4. Step 4: Simplify right side
    677,125.62x = 361,446,507,613.00
  5. Step 5: Solve for x
    x = 361,446,507,613.00/677,125.62
  6. Step 6: Final answer
    x = 533,795.35

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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.