Home / 856,162.61-1,181,513.09-516,565.25

Finding the Fourth Proportional to 856,162.61, 1,181,513.09 and 516,565.25

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Solution

The fourth proportional to 856,162.61, 1,181,513.09 and 516,565.25 is: 712,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,162.61 : 1,181,513.09 = 516,565.25 : x
  2. Step 2: Convert to fraction form
    856,162.61/1,181,513.09 = 516,565.25/x
  3. Step 3: Cross multiply
    856,162.61x = 1,181,513.09 × 516,565.25
  4. Step 4: Simplify right side
    856,162.61x = 610,328,604,714.12
  5. Step 5: Solve for x
    x = 610,328,604,714.12/856,162.61
  6. Step 6: Final answer
    x = 712,865.29

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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.