Home / 868,101.20-1,304,147.45-612,522.01

Finding the Fourth Proportional to 868,101.20, 1,304,147.45 and 612,522.01

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Solution

The fourth proportional to 868,101.20, 1,304,147.45 and 612,522.01 is: 920,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,101.20 : 1,304,147.45 = 612,522.01 : x
  2. Step 2: Convert to fraction form
    868,101.20/1,304,147.45 = 612,522.01/x
  3. Step 3: Cross multiply
    868,101.20x = 1,304,147.45 × 612,522.01
  4. Step 4: Simplify right side
    868,101.20x = 798,819,017,410.38
  5. Step 5: Solve for x
    x = 798,819,017,410.38/868,101.20
  6. Step 6: Final answer
    x = 920,191.12

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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.