Home / 516,331.76-712,546.98-286,910.24

Finding the Fourth Proportional to 516,331.76, 712,546.98 and 286,910.24

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Solution

The fourth proportional to 516,331.76, 712,546.98 and 286,910.24 is: 395,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,331.76 : 712,546.98 = 286,910.24 : x
  2. Step 2: Convert to fraction form
    516,331.76/712,546.98 = 286,910.24/x
  3. Step 3: Cross multiply
    516,331.76x = 712,546.98 × 286,910.24
  4. Step 4: Simplify right side
    516,331.76x = 204,437,025,043.08
  5. Step 5: Solve for x
    x = 204,437,025,043.08/516,331.76
  6. Step 6: Final answer
    x = 395,941.22

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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.