Home / 815,737.80-1,223,606.70-532,302.60

Finding the Fourth Proportional to 815,737.80, 1,223,606.70 and 532,302.60

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Solution

The fourth proportional to 815,737.80, 1,223,606.70 and 532,302.60 is: 798,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,737.80 : 1,223,606.70 = 532,302.60 : x
  2. Step 2: Convert to fraction form
    815,737.80/1,223,606.70 = 532,302.60/x
  3. Step 3: Cross multiply
    815,737.80x = 1,223,606.70 × 532,302.60
  4. Step 4: Simplify right side
    815,737.80x = 651,329,027,787.42
  5. Step 5: Solve for x
    x = 651,329,027,787.42/815,737.80
  6. Step 6: Final answer
    x = 798,453.90

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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.