Home / 925,404.40-1,390,180.20-887,618.80

Finding the Fourth Proportional to 925,404.40, 1,390,180.20 and 887,618.80

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Solution

The fourth proportional to 925,404.40, 1,390,180.20 and 887,618.80 is: 1,333,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,404.40 : 1,390,180.20 = 887,618.80 : x
  2. Step 2: Convert to fraction form
    925,404.40/1,390,180.20 = 887,618.80/x
  3. Step 3: Cross multiply
    925,404.40x = 1,390,180.20 × 887,618.80
  4. Step 4: Simplify right side
    925,404.40x = 1,233,950,080,907.76
  5. Step 5: Solve for x
    x = 1,233,950,080,907.76/925,404.40
  6. Step 6: Final answer
    x = 1,333,417.13

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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.