Home / 1,142,863.90-1,714,535.61-432,876.22

Finding the Fourth Proportional to 1,142,863.90, 1,714,535.61 and 432,876.22

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Solution

The fourth proportional to 1,142,863.90, 1,714,535.61 and 432,876.22 is: 649,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,863.90 : 1,714,535.61 = 432,876.22 : x
  2. Step 2: Convert to fraction form
    1,142,863.90/1,714,535.61 = 432,876.22/x
  3. Step 3: Cross multiply
    1,142,863.90x = 1,714,535.61 × 432,876.22
  4. Step 4: Simplify right side
    1,142,863.90x = 742,181,693,912.19
  5. Step 5: Solve for x
    x = 742,181,693,912.19/1,142,863.90
  6. Step 6: Final answer
    x = 649,405.14

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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.