Home / 868,188.77-1,304,279.32-612,609.73

Finding the Fourth Proportional to 868,188.77, 1,304,279.32 and 612,609.73

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Solution

The fourth proportional to 868,188.77, 1,304,279.32 and 612,609.73 is: 920,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,188.77 : 1,304,279.32 = 612,609.73 : x
  2. Step 2: Convert to fraction form
    868,188.77/1,304,279.32 = 612,609.73/x
  3. Step 3: Cross multiply
    868,188.77x = 1,304,279.32 × 612,609.73
  4. Step 4: Simplify right side
    868,188.77x = 799,014,199,006.74
  5. Step 5: Solve for x
    x = 799,014,199,006.74/868,188.77
  6. Step 6: Final answer
    x = 920,323.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.