Home / 572,170.25-789,514.36-342,673.76

Finding the Fourth Proportional to 572,170.25, 789,514.36 and 342,673.76

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Solution

The fourth proportional to 572,170.25, 789,514.36 and 342,673.76 is: 472,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,170.25 : 789,514.36 = 342,673.76 : x
  2. Step 2: Convert to fraction form
    572,170.25/789,514.36 = 342,673.76/x
  3. Step 3: Cross multiply
    572,170.25x = 789,514.36 × 342,673.76
  4. Step 4: Simplify right side
    572,170.25x = 270,545,855,432.30
  5. Step 5: Solve for x
    x = 270,545,855,432.30/572,170.25
  6. Step 6: Final answer
    x = 472,841.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.