Home / 1,287,396.65-1,932,366.17-966,432.53

Finding the Fourth Proportional to 1,287,396.65, 1,932,366.17 and 966,432.53

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Solution

The fourth proportional to 1,287,396.65, 1,932,366.17 and 966,432.53 is: 1,450,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,396.65 : 1,932,366.17 = 966,432.53 : x
  2. Step 2: Convert to fraction form
    1,287,396.65/1,932,366.17 = 966,432.53/x
  3. Step 3: Cross multiply
    1,287,396.65x = 1,932,366.17 × 966,432.53
  4. Step 4: Simplify right side
    1,287,396.65x = 1,867,501,512,065.52
  5. Step 5: Solve for x
    x = 1,867,501,512,065.52/1,287,396.65
  6. Step 6: Final answer
    x = 1,450,603.06

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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.