Home / 714,614.97-1,072,366.85-445,271.95

Finding the Fourth Proportional to 714,614.97, 1,072,366.85 and 445,271.95

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Solution

The fourth proportional to 714,614.97, 1,072,366.85 and 445,271.95 is: 668,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,614.97 : 1,072,366.85 = 445,271.95 : x
  2. Step 2: Convert to fraction form
    714,614.97/1,072,366.85 = 445,271.95/x
  3. Step 3: Cross multiply
    714,614.97x = 1,072,366.85 × 445,271.95
  4. Step 4: Simplify right side
    714,614.97x = 477,494,878,414.86
  5. Step 5: Solve for x
    x = 477,494,878,414.86/714,614.97
  6. Step 6: Final answer
    x = 668,184.82

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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.