Home / 852,618.32-1,278,948-403,548.56

Finding the Fourth Proportional to 852,618.32, 1,278,948 and 403,548.56

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Solution

The fourth proportional to 852,618.32, 1,278,948 and 403,548.56 is: 605,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,618.32 : 1,278,948 = 403,548.56 : x
  2. Step 2: Convert to fraction form
    852,618.32/1,278,948 = 403,548.56/x
  3. Step 3: Cross multiply
    852,618.32x = 1,278,948 × 403,548.56
  4. Step 4: Simplify right side
    852,618.32x = 516,117,623,714.88
  5. Step 5: Solve for x
    x = 516,117,623,714.88/852,618.32
  6. Step 6: Final answer
    x = 605,332.55

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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.