Home / 1,059,635.20-1,589,452.80-1,005,721.60

Finding the Fourth Proportional to 1,059,635.20, 1,589,452.80 and 1,005,721.60

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Solution

The fourth proportional to 1,059,635.20, 1,589,452.80 and 1,005,721.60 is: 1,508,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,635.20 : 1,589,452.80 = 1,005,721.60 : x
  2. Step 2: Convert to fraction form
    1,059,635.20/1,589,452.80 = 1,005,721.60/x
  3. Step 3: Cross multiply
    1,059,635.20x = 1,589,452.80 × 1,005,721.60
  4. Step 4: Simplify right side
    1,059,635.20x = 1,598,547,013,140.48
  5. Step 5: Solve for x
    x = 1,598,547,013,140.48/1,059,635.20
  6. Step 6: Final answer
    x = 1,508,582.40

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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.