Home / 911,170.60-1,367,792.70-537,404.20

Finding the Fourth Proportional to 911,170.60, 1,367,792.70 and 537,404.20

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Solution

The fourth proportional to 911,170.60, 1,367,792.70 and 537,404.20 is: 806,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,170.60 : 1,367,792.70 = 537,404.20 : x
  2. Step 2: Convert to fraction form
    911,170.60/1,367,792.70 = 537,404.20/x
  3. Step 3: Cross multiply
    911,170.60x = 1,367,792.70 × 537,404.20
  4. Step 4: Simplify right side
    911,170.60x = 735,057,541,709.34
  5. Step 5: Solve for x
    x = 735,057,541,709.34/911,170.60
  6. Step 6: Final answer
    x = 806,717.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.