Home / 516,301.11-712,296.39-380,657.52

Finding the Fourth Proportional to 516,301.11, 712,296.39 and 380,657.52

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Solution

The fourth proportional to 516,301.11, 712,296.39 and 380,657.52 is: 525,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,301.11 : 712,296.39 = 380,657.52 : x
  2. Step 2: Convert to fraction form
    516,301.11/712,296.39 = 380,657.52/x
  3. Step 3: Cross multiply
    516,301.11x = 712,296.39 × 380,657.52
  4. Step 4: Simplify right side
    516,301.11x = 271,140,977,322.35
  5. Step 5: Solve for x
    x = 271,140,977,322.35/516,301.11
  6. Step 6: Final answer
    x = 525,160.55

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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.