Home / 613,845.16-847,237.04-412,524.52

Finding the Fourth Proportional to 613,845.16, 847,237.04 and 412,524.52

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Solution

The fourth proportional to 613,845.16, 847,237.04 and 412,524.52 is: 569,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,845.16 : 847,237.04 = 412,524.52 : x
  2. Step 2: Convert to fraction form
    613,845.16/847,237.04 = 412,524.52/x
  3. Step 3: Cross multiply
    613,845.16x = 847,237.04 × 412,524.52
  4. Step 4: Simplify right side
    613,845.16x = 349,506,053,252.22
  5. Step 5: Solve for x
    x = 349,506,053,252.22/613,845.16
  6. Step 6: Final answer
    x = 569,371.69

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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.