Home / 672,869.61-928,548.36-366,948.36

Finding the Fourth Proportional to 672,869.61, 928,548.36 and 366,948.36

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Solution

The fourth proportional to 672,869.61, 928,548.36 and 366,948.36 is: 506,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,869.61 : 928,548.36 = 366,948.36 : x
  2. Step 2: Convert to fraction form
    672,869.61/928,548.36 = 366,948.36/x
  3. Step 3: Cross multiply
    672,869.61x = 928,548.36 × 366,948.36
  4. Step 4: Simplify right side
    672,869.61x = 340,729,297,882.69
  5. Step 5: Solve for x
    x = 340,729,297,882.69/672,869.61
  6. Step 6: Final answer
    x = 506,382.36

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Double scale
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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.