Home / 925,887.30-1,387,853.95-499,307.02

Finding the Fourth Proportional to 925,887.30, 1,387,853.95 and 499,307.02

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Solution

The fourth proportional to 925,887.30, 1,387,853.95 and 499,307.02 is: 748,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,887.30 : 1,387,853.95 = 499,307.02 : x
  2. Step 2: Convert to fraction form
    925,887.30/1,387,853.95 = 499,307.02/x
  3. Step 3: Cross multiply
    925,887.30x = 1,387,853.95 × 499,307.02
  4. Step 4: Simplify right side
    925,887.30x = 692,965,219,969.73
  5. Step 5: Solve for x
    x = 692,965,219,969.73/925,887.30
  6. Step 6: Final answer
    x = 748,433.66

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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.