Home / 868,053.78-1,197,901.17-480,867.98

Finding the Fourth Proportional to 868,053.78, 1,197,901.17 and 480,867.98

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Solution

The fourth proportional to 868,053.78, 1,197,901.17 and 480,867.98 is: 663,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,053.78 : 1,197,901.17 = 480,867.98 : x
  2. Step 2: Convert to fraction form
    868,053.78/1,197,901.17 = 480,867.98/x
  3. Step 3: Cross multiply
    868,053.78x = 1,197,901.17 × 480,867.98
  4. Step 4: Simplify right side
    868,053.78x = 576,032,309,868.03
  5. Step 5: Solve for x
    x = 576,032,309,868.03/868,053.78
  6. Step 6: Final answer
    x = 663,590.58

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Double scale
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Similar ratio
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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.