Home / 943,685.52-1,415,422.31-260,669.46

Finding the Fourth Proportional to 943,685.52, 1,415,422.31 and 260,669.46

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Solution

The fourth proportional to 943,685.52, 1,415,422.31 and 260,669.46 is: 390,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,685.52 : 1,415,422.31 = 260,669.46 : x
  2. Step 2: Convert to fraction form
    943,685.52/1,415,422.31 = 260,669.46/x
  3. Step 3: Cross multiply
    943,685.52x = 1,415,422.31 × 260,669.46
  4. Step 4: Simplify right side
    943,685.52x = 368,957,367,916.31
  5. Step 5: Solve for x
    x = 368,957,367,916.31/943,685.52
  6. Step 6: Final answer
    x = 390,974.92

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Double scale
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Similar ratio
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1.5x scale

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.