Home / 613,845.20-847,237.08-412,524.56

Finding the Fourth Proportional to 613,845.20, 847,237.08 and 412,524.56

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Solution

The fourth proportional to 613,845.20, 847,237.08 and 412,524.56 is: 569,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,845.20 : 847,237.08 = 412,524.56 : x
  2. Step 2: Convert to fraction form
    613,845.20/847,237.08 = 412,524.56/x
  3. Step 3: Cross multiply
    613,845.20x = 847,237.08 × 412,524.56
  4. Step 4: Simplify right side
    613,845.20x = 349,506,103,642.69
  5. Step 5: Solve for x
    x = 349,506,103,642.69/613,845.20
  6. Step 6: Final answer
    x = 569,371.73

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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.