Home / 911,645.40-1,368,699.30-532,954.20

Finding the Fourth Proportional to 911,645.40, 1,368,699.30 and 532,954.20

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Solution

The fourth proportional to 911,645.40, 1,368,699.30 and 532,954.20 is: 800,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,645.40 : 1,368,699.30 = 532,954.20 : x
  2. Step 2: Convert to fraction form
    911,645.40/1,368,699.30 = 532,954.20/x
  3. Step 3: Cross multiply
    911,645.40x = 1,368,699.30 × 532,954.20
  4. Step 4: Simplify right side
    911,645.40x = 729,454,040,472.06
  5. Step 5: Solve for x
    x = 729,454,040,472.06/911,645.40
  6. Step 6: Final answer
    x = 800,151.07

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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.