Home / 1,301,429.20-1,948,207.20-1,159,711.60

Finding the Fourth Proportional to 1,301,429.20, 1,948,207.20 and 1,159,711.60

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Solution

The fourth proportional to 1,301,429.20, 1,948,207.20 and 1,159,711.60 is: 1,736,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,429.20 : 1,948,207.20 = 1,159,711.60 : x
  2. Step 2: Convert to fraction form
    1,301,429.20/1,948,207.20 = 1,159,711.60/x
  3. Step 3: Cross multiply
    1,301,429.20x = 1,948,207.20 × 1,159,711.60
  4. Step 4: Simplify right side
    1,301,429.20x = 2,259,358,489,043.52
  5. Step 5: Solve for x
    x = 2,259,358,489,043.52/1,301,429.20
  6. Step 6: Final answer
    x = 1,736,059.47

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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.