Home / 516,186.73-712,451.53-286,822.82

Finding the Fourth Proportional to 516,186.73, 712,451.53 and 286,822.82

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Solution

The fourth proportional to 516,186.73, 712,451.53 and 286,822.82 is: 395,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,186.73 : 712,451.53 = 286,822.82 : x
  2. Step 2: Convert to fraction form
    516,186.73/712,451.53 = 286,822.82/x
  3. Step 3: Cross multiply
    516,186.73x = 712,451.53 × 286,822.82
  4. Step 4: Simplify right side
    516,186.73x = 204,347,359,087.57
  5. Step 5: Solve for x
    x = 204,347,359,087.57/516,186.73
  6. Step 6: Final answer
    x = 395,878.76

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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.