Home / 861,611.34-1,188,976.92-474,351.05

Finding the Fourth Proportional to 861,611.34, 1,188,976.92 and 474,351.05

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Solution

The fourth proportional to 861,611.34, 1,188,976.92 and 474,351.05 is: 654,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,611.34 : 1,188,976.92 = 474,351.05 : x
  2. Step 2: Convert to fraction form
    861,611.34/1,188,976.92 = 474,351.05/x
  3. Step 3: Cross multiply
    861,611.34x = 1,188,976.92 × 474,351.05
  4. Step 4: Simplify right side
    861,611.34x = 563,992,450,427.77
  5. Step 5: Solve for x
    x = 563,992,450,427.77/861,611.34
  6. Step 6: Final answer
    x = 654,578.72

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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.