Home / 1,517,011.45-2,276,391.98-571,061.05

Finding the Fourth Proportional to 1,517,011.45, 2,276,391.98 and 571,061.05

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Solution

The fourth proportional to 1,517,011.45, 2,276,391.98 and 571,061.05 is: 856,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,011.45 : 2,276,391.98 = 571,061.05 : x
  2. Step 2: Convert to fraction form
    1,517,011.45/2,276,391.98 = 571,061.05/x
  3. Step 3: Cross multiply
    1,517,011.45x = 2,276,391.98 × 571,061.05
  4. Step 4: Simplify right side
    1,517,011.45x = 1,299,958,791,455.07
  5. Step 5: Solve for x
    x = 1,299,958,791,455.07/1,517,011.45
  6. Step 6: Final answer
    x = 856,920.88

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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.