Home / 516,004.11-712,092.65-286,576.20

Finding the Fourth Proportional to 516,004.11, 712,092.65 and 286,576.20

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Solution

The fourth proportional to 516,004.11, 712,092.65 and 286,576.20 is: 395,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,004.11 : 712,092.65 = 286,576.20 : x
  2. Step 2: Convert to fraction form
    516,004.11/712,092.65 = 286,576.20/x
  3. Step 3: Cross multiply
    516,004.11x = 712,092.65 × 286,576.20
  4. Step 4: Simplify right side
    516,004.11x = 204,068,805,684.93
  5. Step 5: Solve for x
    x = 204,068,805,684.93/516,004.11
  6. Step 6: Final answer
    x = 395,479.03

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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.