Home / 516,385.11-712,597.23-286,936.46

Finding the Fourth Proportional to 516,385.11, 712,597.23 and 286,936.46

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Solution

The fourth proportional to 516,385.11, 712,597.23 and 286,936.46 is: 395,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,385.11 : 712,597.23 = 286,936.46 : x
  2. Step 2: Convert to fraction form
    516,385.11/712,597.23 = 286,936.46/x
  3. Step 3: Cross multiply
    516,385.11x = 712,597.23 × 286,936.46
  4. Step 4: Simplify right side
    516,385.11x = 204,470,126,582.01
  5. Step 5: Solve for x
    x = 204,470,126,582.01/516,385.11
  6. Step 6: Final answer
    x = 395,964.41

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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.