Home / 925,188.32-1,276,767.86-511,718.15

Finding the Fourth Proportional to 925,188.32, 1,276,767.86 and 511,718.15

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Solution

The fourth proportional to 925,188.32, 1,276,767.86 and 511,718.15 is: 706,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,188.32 : 1,276,767.86 = 511,718.15 : x
  2. Step 2: Convert to fraction form
    925,188.32/1,276,767.86 = 511,718.15/x
  3. Step 3: Cross multiply
    925,188.32x = 1,276,767.86 × 511,718.15
  4. Step 4: Simplify right side
    925,188.32x = 653,345,278,356.23
  5. Step 5: Solve for x
    x = 653,345,278,356.23/925,188.32
  6. Step 6: Final answer
    x = 706,175.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.