Home / 677,842.28-935,502.18-376,055.72

Finding the Fourth Proportional to 677,842.28, 935,502.18 and 376,055.72

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Solution

The fourth proportional to 677,842.28, 935,502.18 and 376,055.72 is: 519,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,842.28 : 935,502.18 = 376,055.72 : x
  2. Step 2: Convert to fraction form
    677,842.28/935,502.18 = 376,055.72/x
  3. Step 3: Cross multiply
    677,842.28x = 935,502.18 × 376,055.72
  4. Step 4: Simplify right side
    677,842.28x = 351,800,945,861.47
  5. Step 5: Solve for x
    x = 351,800,945,861.47/677,842.28
  6. Step 6: Final answer
    x = 519,001.18

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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.