Home / 756,117.90-1,134,176.85-673,449.30

Finding the Fourth Proportional to 756,117.90, 1,134,176.85 and 673,449.30

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Solution

The fourth proportional to 756,117.90, 1,134,176.85 and 673,449.30 is: 1,010,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,117.90 : 1,134,176.85 = 673,449.30 : x
  2. Step 2: Convert to fraction form
    756,117.90/1,134,176.85 = 673,449.30/x
  3. Step 3: Cross multiply
    756,117.90x = 1,134,176.85 × 673,449.30
  4. Step 4: Simplify right side
    756,117.90x = 763,810,605,708.71
  5. Step 5: Solve for x
    x = 763,810,605,708.71/756,117.90
  6. Step 6: Final answer
    x = 1,010,173.95

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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.