Home / 739,414.73-1,020,439.59-417,007.19

Finding the Fourth Proportional to 739,414.73, 1,020,439.59 and 417,007.19

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Solution

The fourth proportional to 739,414.73, 1,020,439.59 and 417,007.19 is: 575,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,414.73 : 1,020,439.59 = 417,007.19 : x
  2. Step 2: Convert to fraction form
    739,414.73/1,020,439.59 = 417,007.19/x
  3. Step 3: Cross multiply
    739,414.73x = 1,020,439.59 × 417,007.19
  4. Step 4: Simplify right side
    739,414.73x = 425,530,645,990.65
  5. Step 5: Solve for x
    x = 425,530,645,990.65/739,414.73
  6. Step 6: Final answer
    x = 575,496.58

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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.