Home / 868,111.20-1,301,972.40-570,679.20

Finding the Fourth Proportional to 868,111.20, 1,301,972.40 and 570,679.20

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Solution

The fourth proportional to 868,111.20, 1,301,972.40 and 570,679.20 is: 855,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,111.20 : 1,301,972.40 = 570,679.20 : x
  2. Step 2: Convert to fraction form
    868,111.20/1,301,972.40 = 570,679.20/x
  3. Step 3: Cross multiply
    868,111.20x = 1,301,972.40 × 570,679.20
  4. Step 4: Simplify right side
    868,111.20x = 743,008,567,654.08
  5. Step 5: Solve for x
    x = 743,008,567,654.08/868,111.20
  6. Step 6: Final answer
    x = 855,891.01

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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.