Home / 868,976.91-1,199,237.33-487,028.30

Finding the Fourth Proportional to 868,976.91, 1,199,237.33 and 487,028.30

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Solution

The fourth proportional to 868,976.91, 1,199,237.33 and 487,028.30 is: 672,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,976.91 : 1,199,237.33 = 487,028.30 : x
  2. Step 2: Convert to fraction form
    868,976.91/1,199,237.33 = 487,028.30/x
  3. Step 3: Cross multiply
    868,976.91x = 1,199,237.33 × 487,028.30
  4. Step 4: Simplify right side
    868,976.91x = 584,062,513,347.82
  5. Step 5: Solve for x
    x = 584,062,513,347.82/868,976.91
  6. Step 6: Final answer
    x = 672,126.62

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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.