Home / 815,546.40-1,223,319.60-532,111.20

Finding the Fourth Proportional to 815,546.40, 1,223,319.60 and 532,111.20

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Solution

The fourth proportional to 815,546.40, 1,223,319.60 and 532,111.20 is: 798,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,546.40 : 1,223,319.60 = 532,111.20 : x
  2. Step 2: Convert to fraction form
    815,546.40/1,223,319.60 = 532,111.20/x
  3. Step 3: Cross multiply
    815,546.40x = 1,223,319.60 × 532,111.20
  4. Step 4: Simplify right side
    815,546.40x = 650,942,060,339.52
  5. Step 5: Solve for x
    x = 650,942,060,339.52/815,546.40
  6. Step 6: Final answer
    x = 798,166.80

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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.