Home / 714,152.74-1,071,507.90-314,512.66

Finding the Fourth Proportional to 714,152.74, 1,071,507.90 and 314,512.66

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Solution

The fourth proportional to 714,152.74, 1,071,507.90 and 314,512.66 is: 471,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,152.74 : 1,071,507.90 = 314,512.66 : x
  2. Step 2: Convert to fraction form
    714,152.74/1,071,507.90 = 314,512.66/x
  3. Step 3: Cross multiply
    714,152.74x = 1,071,507.90 × 314,512.66
  4. Step 4: Simplify right side
    714,152.74x = 337,002,799,840.01
  5. Step 5: Solve for x
    x = 337,002,799,840.01/714,152.74
  6. Step 6: Final answer
    x = 471,891.77

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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.