Home / 988,959.12-1,482,947.88-314,952.56

Finding the Fourth Proportional to 988,959.12, 1,482,947.88 and 314,952.56

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Solution

The fourth proportional to 988,959.12, 1,482,947.88 and 314,952.56 is: 472,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,959.12 : 1,482,947.88 = 314,952.56 : x
  2. Step 2: Convert to fraction form
    988,959.12/1,482,947.88 = 314,952.56/x
  3. Step 3: Cross multiply
    988,959.12x = 1,482,947.88 × 314,952.56
  4. Step 4: Simplify right side
    988,959.12x = 467,058,231,152.57
  5. Step 5: Solve for x
    x = 467,058,231,152.57/988,959.12
  6. Step 6: Final answer
    x = 472,272.54

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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.