Home / 1,015,680.71-1,523,720.20-375,989.36

Finding the Fourth Proportional to 1,015,680.71, 1,523,720.20 and 375,989.36

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Solution

The fourth proportional to 1,015,680.71, 1,523,720.20 and 375,989.36 is: 564,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,680.71 : 1,523,720.20 = 375,989.36 : x
  2. Step 2: Convert to fraction form
    1,015,680.71/1,523,720.20 = 375,989.36/x
  3. Step 3: Cross multiply
    1,015,680.71x = 1,523,720.20 × 375,989.36
  4. Step 4: Simplify right side
    1,015,680.71x = 572,902,582,817.07
  5. Step 5: Solve for x
    x = 572,902,582,817.07/1,015,680.71
  6. Step 6: Final answer
    x = 564,057.76

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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.