Home / 887,669.20-1,330,726.20-532,824.40

Finding the Fourth Proportional to 887,669.20, 1,330,726.20 and 532,824.40

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Solution

The fourth proportional to 887,669.20, 1,330,726.20 and 532,824.40 is: 798,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,669.20 : 1,330,726.20 = 532,824.40 : x
  2. Step 2: Convert to fraction form
    887,669.20/1,330,726.20 = 532,824.40/x
  3. Step 3: Cross multiply
    887,669.20x = 1,330,726.20 × 532,824.40
  4. Step 4: Simplify right side
    887,669.20x = 709,043,389,079.28
  5. Step 5: Solve for x
    x = 709,043,389,079.28/887,669.20
  6. Step 6: Final answer
    x = 798,769.84

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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.