Home / 865,048.04-1,193,716.84-516,581.72

Finding the Fourth Proportional to 865,048.04, 1,193,716.84 and 516,581.72

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Solution

The fourth proportional to 865,048.04, 1,193,716.84 and 516,581.72 is: 712,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,048.04 : 1,193,716.84 = 516,581.72 : x
  2. Step 2: Convert to fraction form
    865,048.04/1,193,716.84 = 516,581.72/x
  3. Step 3: Cross multiply
    865,048.04x = 1,193,716.84 × 516,581.72
  4. Step 4: Simplify right side
    865,048.04x = 616,652,298,400.17
  5. Step 5: Solve for x
    x = 616,652,298,400.17/865,048.04
  6. Step 6: Final answer
    x = 712,853.24

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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.