Home / 1,359,956.40-2,037,601.80-648,452.40

Finding the Fourth Proportional to 1,359,956.40, 2,037,601.80 and 648,452.40

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Solution

The fourth proportional to 1,359,956.40, 2,037,601.80 and 648,452.40 is: 971,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,956.40 : 2,037,601.80 = 648,452.40 : x
  2. Step 2: Convert to fraction form
    1,359,956.40/2,037,601.80 = 648,452.40/x
  3. Step 3: Cross multiply
    1,359,956.40x = 2,037,601.80 × 648,452.40
  4. Step 4: Simplify right side
    1,359,956.40x = 1,321,287,777,454.32
  5. Step 5: Solve for x
    x = 1,321,287,777,454.32/1,359,956.40
  6. Step 6: Final answer
    x = 971,566.28

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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.