Home / 887,101.35-1,223,813.61-542,952.60

Finding the Fourth Proportional to 887,101.35, 1,223,813.61 and 542,952.60

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Solution

The fourth proportional to 887,101.35, 1,223,813.61 and 542,952.60 is: 749,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,101.35 : 1,223,813.61 = 542,952.60 : x
  2. Step 2: Convert to fraction form
    887,101.35/1,223,813.61 = 542,952.60/x
  3. Step 3: Cross multiply
    887,101.35x = 1,223,813.61 × 542,952.60
  4. Step 4: Simplify right side
    887,101.35x = 664,472,781,464.89
  5. Step 5: Solve for x
    x = 664,472,781,464.89/887,101.35
  6. Step 6: Final answer
    x = 749,038.18

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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.