Home / 516,378.26-712,618.07-283,801.01

Finding the Fourth Proportional to 516,378.26, 712,618.07 and 283,801.01

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Solution

The fourth proportional to 516,378.26, 712,618.07 and 283,801.01 is: 391,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,378.26 : 712,618.07 = 283,801.01 : x
  2. Step 2: Convert to fraction form
    516,378.26/712,618.07 = 283,801.01/x
  3. Step 3: Cross multiply
    516,378.26x = 712,618.07 × 283,801.01
  4. Step 4: Simplify right side
    516,378.26x = 202,241,723,028.16
  5. Step 5: Solve for x
    x = 202,241,723,028.16/516,378.26
  6. Step 6: Final answer
    x = 391,654.22

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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.