Home / 676,836.38-934,002.14-405,053.82

Finding the Fourth Proportional to 676,836.38, 934,002.14 and 405,053.82

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Solution

The fourth proportional to 676,836.38, 934,002.14 and 405,053.82 is: 558,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,836.38 : 934,002.14 = 405,053.82 : x
  2. Step 2: Convert to fraction form
    676,836.38/934,002.14 = 405,053.82/x
  3. Step 3: Cross multiply
    676,836.38x = 934,002.14 × 405,053.82
  4. Step 4: Simplify right side
    676,836.38x = 378,321,134,695.18
  5. Step 5: Solve for x
    x = 378,321,134,695.18/676,836.38
  6. Step 6: Final answer
    x = 558,955.08

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1.5x scale

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.