Home / 971,437.70-1,340,589.86-541,744.98

Finding the Fourth Proportional to 971,437.70, 1,340,589.86 and 541,744.98

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Solution

The fourth proportional to 971,437.70, 1,340,589.86 and 541,744.98 is: 747,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,437.70 : 1,340,589.86 = 541,744.98 : x
  2. Step 2: Convert to fraction form
    971,437.70/1,340,589.86 = 541,744.98/x
  3. Step 3: Cross multiply
    971,437.70x = 1,340,589.86 × 541,744.98
  4. Step 4: Simplify right side
    971,437.70x = 726,257,826,893.90
  5. Step 5: Solve for x
    x = 726,257,826,893.90/971,437.70
  6. Step 6: Final answer
    x = 747,611.33

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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.