Home / 451,423.35-676,938.17-170,743.77

Finding the Fourth Proportional to 451,423.35, 676,938.17 and 170,743.77

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Solution

The fourth proportional to 451,423.35, 676,938.17 and 170,743.77 is: 256,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,423.35 : 676,938.17 = 170,743.77 : x
  2. Step 2: Convert to fraction form
    451,423.35/676,938.17 = 170,743.77/x
  3. Step 3: Cross multiply
    451,423.35x = 676,938.17 × 170,743.77
  4. Step 4: Simplify right side
    451,423.35x = 115,582,974,348.98
  5. Step 5: Solve for x
    x = 115,582,974,348.98/451,423.35
  6. Step 6: Final answer
    x = 256,041.20

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1.5x scale

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.