Home / 740,815.70-1,022,304.72-434,887.20

Finding the Fourth Proportional to 740,815.70, 1,022,304.72 and 434,887.20

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Solution

The fourth proportional to 740,815.70, 1,022,304.72 and 434,887.20 is: 600,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,815.70 : 1,022,304.72 = 434,887.20 : x
  2. Step 2: Convert to fraction form
    740,815.70/1,022,304.72 = 434,887.20/x
  3. Step 3: Cross multiply
    740,815.70x = 1,022,304.72 × 434,887.20
  4. Step 4: Simplify right side
    740,815.70x = 444,587,237,227.58
  5. Step 5: Solve for x
    x = 444,587,237,227.58/740,815.70
  6. Step 6: Final answer
    x = 600,132.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.