Home / 925,788.40-1,388,672.57-702,520.00

Finding the Fourth Proportional to 925,788.40, 1,388,672.57 and 702,520.00

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Solution

The fourth proportional to 925,788.40, 1,388,672.57 and 702,520.00 is: 1,053,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,788.40 : 1,388,672.57 = 702,520.00 : x
  2. Step 2: Convert to fraction form
    925,788.40/1,388,672.57 = 702,520.00/x
  3. Step 3: Cross multiply
    925,788.40x = 1,388,672.57 × 702,520.00
  4. Step 4: Simplify right side
    925,788.40x = 975,570,252,161.02
  5. Step 5: Solve for x
    x = 975,570,252,161.02/925,788.40
  6. Step 6: Final answer
    x = 1,053,772.39

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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.