Home / 738,034.97-1,103,008.81-538,774.97

Finding the Fourth Proportional to 738,034.97, 1,103,008.81 and 538,774.97

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Solution

The fourth proportional to 738,034.97, 1,103,008.81 and 538,774.97 is: 805,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,034.97 : 1,103,008.81 = 538,774.97 : x
  2. Step 2: Convert to fraction form
    738,034.97/1,103,008.81 = 538,774.97/x
  3. Step 3: Cross multiply
    738,034.97x = 1,103,008.81 × 538,774.97
  4. Step 4: Simplify right side
    738,034.97x = 594,273,538,517.49
  5. Step 5: Solve for x
    x = 594,273,538,517.49/738,034.97
  6. Step 6: Final answer
    x = 805,210.54

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Half scale
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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.