Home / 739,127.64-1,019,629.42-477,392.92

Finding the Fourth Proportional to 739,127.64, 1,019,629.42 and 477,392.92

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Solution

The fourth proportional to 739,127.64, 1,019,629.42 and 477,392.92 is: 658,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,127.64 : 1,019,629.42 = 477,392.92 : x
  2. Step 2: Convert to fraction form
    739,127.64/1,019,629.42 = 477,392.92/x
  3. Step 3: Cross multiply
    739,127.64x = 1,019,629.42 × 477,392.92
  4. Step 4: Simplify right side
    739,127.64x = 486,763,866,131.71
  5. Step 5: Solve for x
    x = 486,763,866,131.71/739,127.64
  6. Step 6: Final answer
    x = 658,565.37

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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.