Home / 516,199.14-712,374.75-286,773.66

Finding the Fourth Proportional to 516,199.14, 712,374.75 and 286,773.66

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Solution

The fourth proportional to 516,199.14, 712,374.75 and 286,773.66 is: 395,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,199.14 : 712,374.75 = 286,773.66 : x
  2. Step 2: Convert to fraction form
    516,199.14/712,374.75 = 286,773.66/x
  3. Step 3: Cross multiply
    516,199.14x = 712,374.75 × 286,773.66
  4. Step 4: Simplify right side
    516,199.14x = 204,290,314,349.09
  5. Step 5: Solve for x
    x = 204,290,314,349.09/516,199.14
  6. Step 6: Final answer
    x = 395,758.73

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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.