Home / 739,712.62-1,020,772.82-467,928.46

Finding the Fourth Proportional to 739,712.62, 1,020,772.82 and 467,928.46

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Solution

The fourth proportional to 739,712.62, 1,020,772.82 and 467,928.46 is: 645,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,712.62 : 1,020,772.82 = 467,928.46 : x
  2. Step 2: Convert to fraction form
    739,712.62/1,020,772.82 = 467,928.46/x
  3. Step 3: Cross multiply
    739,712.62x = 1,020,772.82 × 467,928.46
  4. Step 4: Simplify right side
    739,712.62x = 477,648,653,672.46
  5. Step 5: Solve for x
    x = 477,648,653,672.46/739,712.62
  6. Step 6: Final answer
    x = 645,721.92

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1.5x scale

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.