Home / 739,476.92-1,020,476.94-417,186.20

Finding the Fourth Proportional to 739,476.92, 1,020,476.94 and 417,186.20

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Solution

The fourth proportional to 739,476.92, 1,020,476.94 and 417,186.20 is: 575,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,476.92 : 1,020,476.94 = 417,186.20 : x
  2. Step 2: Convert to fraction form
    739,476.92/1,020,476.94 = 417,186.20/x
  3. Step 3: Cross multiply
    739,476.92x = 1,020,476.94 × 417,186.20
  4. Step 4: Simplify right side
    739,476.92x = 425,728,896,786.23
  5. Step 5: Solve for x
    x = 425,728,896,786.23/739,476.92
  6. Step 6: Final answer
    x = 575,716.27

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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.