Home / 868,484.85-1,198,508.85-476,015.55

Finding the Fourth Proportional to 868,484.85, 1,198,508.85 and 476,015.55

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Solution

The fourth proportional to 868,484.85, 1,198,508.85 and 476,015.55 is: 656,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,484.85 : 1,198,508.85 = 476,015.55 : x
  2. Step 2: Convert to fraction form
    868,484.85/1,198,508.85 = 476,015.55/x
  3. Step 3: Cross multiply
    868,484.85x = 1,198,508.85 × 476,015.55
  4. Step 4: Simplify right side
    868,484.85x = 570,508,849,412.62
  5. Step 5: Solve for x
    x = 570,508,849,412.62/868,484.85
  6. Step 6: Final answer
    x = 656,901.33

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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.