Home / 868,973.80-1,199,233.12-487,025.18

Finding the Fourth Proportional to 868,973.80, 1,199,233.12 and 487,025.18

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Solution

The fourth proportional to 868,973.80, 1,199,233.12 and 487,025.18 is: 672,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,973.80 : 1,199,233.12 = 487,025.18 : x
  2. Step 2: Convert to fraction form
    868,973.80/1,199,233.12 = 487,025.18/x
  3. Step 3: Cross multiply
    868,973.80x = 1,199,233.12 × 487,025.18
  4. Step 4: Simplify right side
    868,973.80x = 584,056,726,129.96
  5. Step 5: Solve for x
    x = 584,056,726,129.96/868,973.80
  6. Step 6: Final answer
    x = 672,122.37

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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.