Home / 516,200.90-712,232.61-301,218.26

Finding the Fourth Proportional to 516,200.90, 712,232.61 and 301,218.26

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Solution

The fourth proportional to 516,200.90, 712,232.61 and 301,218.26 is: 415,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,200.90 : 712,232.61 = 301,218.26 : x
  2. Step 2: Convert to fraction form
    516,200.90/712,232.61 = 301,218.26/x
  3. Step 3: Cross multiply
    516,200.90x = 712,232.61 × 301,218.26
  4. Step 4: Simplify right side
    516,200.90x = 214,537,467,499.46
  5. Step 5: Solve for x
    x = 214,537,467,499.46/516,200.90
  6. Step 6: Final answer
    x = 415,608.47

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Similar ratio
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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.