Home / 746,667.10-1,120,000.65-681,713.20

Finding the Fourth Proportional to 746,667.10, 1,120,000.65 and 681,713.20

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Solution

The fourth proportional to 746,667.10, 1,120,000.65 and 681,713.20 is: 1,022,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,667.10 : 1,120,000.65 = 681,713.20 : x
  2. Step 2: Convert to fraction form
    746,667.10/1,120,000.65 = 681,713.20/x
  3. Step 3: Cross multiply
    746,667.10x = 1,120,000.65 × 681,713.20
  4. Step 4: Simplify right side
    746,667.10x = 763,519,227,113.58
  5. Step 5: Solve for x
    x = 763,519,227,113.58/746,667.10
  6. Step 6: Final answer
    x = 1,022,569.80

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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.