Home / 865,679.52-1,195,403.75-539,549.13

Finding the Fourth Proportional to 865,679.52, 1,195,403.75 and 539,549.13

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Solution

The fourth proportional to 865,679.52, 1,195,403.75 and 539,549.13 is: 745,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,679.52 : 1,195,403.75 = 539,549.13 : x
  2. Step 2: Convert to fraction form
    865,679.52/1,195,403.75 = 539,549.13/x
  3. Step 3: Cross multiply
    865,679.52x = 1,195,403.75 × 539,549.13
  4. Step 4: Simplify right side
    865,679.52x = 644,979,050,613.49
  5. Step 5: Solve for x
    x = 644,979,050,613.49/865,679.52
  6. Step 6: Final answer
    x = 745,055.23

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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.