Home / 1,612,854.40-2,419,281.60-665,737.60

Finding the Fourth Proportional to 1,612,854.40, 2,419,281.60 and 665,737.60

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Solution

The fourth proportional to 1,612,854.40, 2,419,281.60 and 665,737.60 is: 998,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,854.40 : 2,419,281.60 = 665,737.60 : x
  2. Step 2: Convert to fraction form
    1,612,854.40/2,419,281.60 = 665,737.60/x
  3. Step 3: Cross multiply
    1,612,854.40x = 2,419,281.60 × 665,737.60
  4. Step 4: Simplify right side
    1,612,854.40x = 1,610,606,726,108.16
  5. Step 5: Solve for x
    x = 1,610,606,726,108.16/1,612,854.40
  6. Step 6: Final answer
    x = 998,606.40

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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.