Home / 519,215.38-716,456.10-301,373.80

Finding the Fourth Proportional to 519,215.38, 716,456.10 and 301,373.80

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Solution

The fourth proportional to 519,215.38, 716,456.10 and 301,373.80 is: 415,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,215.38 : 716,456.10 = 301,373.80 : x
  2. Step 2: Convert to fraction form
    519,215.38/716,456.10 = 301,373.80/x
  3. Step 3: Cross multiply
    519,215.38x = 716,456.10 × 301,373.80
  4. Step 4: Simplify right side
    519,215.38x = 215,921,097,390.18
  5. Step 5: Solve for x
    x = 215,921,097,390.18/519,215.38
  6. Step 6: Final answer
    x = 415,860.36

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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.