Home / 971,435.70-1,340,587.10-541,742.98

Finding the Fourth Proportional to 971,435.70, 1,340,587.10 and 541,742.98

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Solution

The fourth proportional to 971,435.70, 1,340,587.10 and 541,742.98 is: 747,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,435.70 : 1,340,587.10 = 541,742.98 : x
  2. Step 2: Convert to fraction form
    971,435.70/1,340,587.10 = 541,742.98/x
  3. Step 3: Cross multiply
    971,435.70x = 1,340,587.10 × 541,742.98
  4. Step 4: Simplify right side
    971,435.70x = 726,253,650,503.56
  5. Step 5: Solve for x
    x = 726,253,650,503.56/971,435.70
  6. Step 6: Final answer
    x = 747,608.57

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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.