Home / 861,625.92-1,189,052.63-474,477.38

Finding the Fourth Proportional to 861,625.92, 1,189,052.63 and 474,477.38

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Solution

The fourth proportional to 861,625.92, 1,189,052.63 and 474,477.38 is: 654,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,625.92 : 1,189,052.63 = 474,477.38 : x
  2. Step 2: Convert to fraction form
    861,625.92/1,189,052.63 = 474,477.38/x
  3. Step 3: Cross multiply
    861,625.92x = 1,189,052.63 × 474,477.38
  4. Step 4: Simplify right side
    861,625.92x = 564,178,568,246.86
  5. Step 5: Solve for x
    x = 564,178,568,246.86/861,625.92
  6. Step 6: Final answer
    x = 654,783.65

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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.