Home / 744,471.39-1,116,670.13-239,057.11

Finding the Fourth Proportional to 744,471.39, 1,116,670.13 and 239,057.11

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Solution

The fourth proportional to 744,471.39, 1,116,670.13 and 239,057.11 is: 358,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,471.39 : 1,116,670.13 = 239,057.11 : x
  2. Step 2: Convert to fraction form
    744,471.39/1,116,670.13 = 239,057.11/x
  3. Step 3: Cross multiply
    744,471.39x = 1,116,670.13 × 239,057.11
  4. Step 4: Simplify right side
    744,471.39x = 266,947,934,101.12
  5. Step 5: Solve for x
    x = 266,947,934,101.12/744,471.39
  6. Step 6: Final answer
    x = 358,573.80

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.