Home / 1,239,793.40-1,859,862.90-529,815.80

Finding the Fourth Proportional to 1,239,793.40, 1,859,862.90 and 529,815.80

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Solution

The fourth proportional to 1,239,793.40, 1,859,862.90 and 529,815.80 is: 794,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,793.40 : 1,859,862.90 = 529,815.80 : x
  2. Step 2: Convert to fraction form
    1,239,793.40/1,859,862.90 = 529,815.80/x
  3. Step 3: Cross multiply
    1,239,793.40x = 1,859,862.90 × 529,815.80
  4. Step 4: Simplify right side
    1,239,793.40x = 985,384,750,253.82
  5. Step 5: Solve for x
    x = 985,384,750,253.82/1,239,793.40
  6. Step 6: Final answer
    x = 794,797.54

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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.