Home / 1,146,587.70-1,719,233.55-436,638.90

Finding the Fourth Proportional to 1,146,587.70, 1,719,233.55 and 436,638.90

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Solution

The fourth proportional to 1,146,587.70, 1,719,233.55 and 436,638.90 is: 654,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,587.70 : 1,719,233.55 = 436,638.90 : x
  2. Step 2: Convert to fraction form
    1,146,587.70/1,719,233.55 = 436,638.90/x
  3. Step 3: Cross multiply
    1,146,587.70x = 1,719,233.55 × 436,638.90
  4. Step 4: Simplify right side
    1,146,587.70x = 750,684,246,115.10
  5. Step 5: Solve for x
    x = 750,684,246,115.10/1,146,587.70
  6. Step 6: Final answer
    x = 654,711.58

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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.