Home / 1,015,686.45-1,523,728.82-375,995.12

Finding the Fourth Proportional to 1,015,686.45, 1,523,728.82 and 375,995.12

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Solution

The fourth proportional to 1,015,686.45, 1,523,728.82 and 375,995.12 is: 564,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,686.45 : 1,523,728.82 = 375,995.12 : x
  2. Step 2: Convert to fraction form
    1,015,686.45/1,523,728.82 = 375,995.12/x
  3. Step 3: Cross multiply
    1,015,686.45x = 1,523,728.82 × 375,995.12
  4. Step 4: Simplify right side
    1,015,686.45x = 572,914,593,844.70
  5. Step 5: Solve for x
    x = 572,914,593,844.70/1,015,686.45
  6. Step 6: Final answer
    x = 564,066.39

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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.