Home / 632,869.22-948,642.87-380,149.22

Finding the Fourth Proportional to 632,869.22, 948,642.87 and 380,149.22

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Solution

The fourth proportional to 632,869.22, 948,642.87 and 380,149.22 is: 569,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,869.22 : 948,642.87 = 380,149.22 : x
  2. Step 2: Convert to fraction form
    632,869.22/948,642.87 = 380,149.22/x
  3. Step 3: Cross multiply
    632,869.22x = 948,642.87 × 380,149.22
  4. Step 4: Simplify right side
    632,869.22x = 360,625,847,089.06
  5. Step 5: Solve for x
    x = 360,625,847,089.06/632,869.22
  6. Step 6: Final answer
    x = 569,826.81

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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.