Home / 994,999.60-1,373,137.52-542,290.60

Finding the Fourth Proportional to 994,999.60, 1,373,137.52 and 542,290.60

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Solution

The fourth proportional to 994,999.60, 1,373,137.52 and 542,290.60 is: 748,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,999.60 : 1,373,137.52 = 542,290.60 : x
  2. Step 2: Convert to fraction form
    994,999.60/1,373,137.52 = 542,290.60/x
  3. Step 3: Cross multiply
    994,999.60x = 1,373,137.52 × 542,290.60
  4. Step 4: Simplify right side
    994,999.60x = 744,639,569,603.31
  5. Step 5: Solve for x
    x = 744,639,569,603.31/994,999.60
  6. Step 6: Final answer
    x = 748,381.78

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Why These Related Problems?

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