Home / 971,167.07-1,340,211.40-541,438.58

Finding the Fourth Proportional to 971,167.07, 1,340,211.40 and 541,438.58

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Solution

The fourth proportional to 971,167.07, 1,340,211.40 and 541,438.58 is: 747,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,167.07 : 1,340,211.40 = 541,438.58 : x
  2. Step 2: Convert to fraction form
    971,167.07/1,340,211.40 = 541,438.58/x
  3. Step 3: Cross multiply
    971,167.07x = 1,340,211.40 × 541,438.58
  4. Step 4: Simplify right side
    971,167.07x = 725,642,159,312.74
  5. Step 5: Solve for x
    x = 725,642,159,312.74/971,167.07
  6. Step 6: Final answer
    x = 747,185.71

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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.