Home / 516,275.15-712,211.36-335,043.92

Finding the Fourth Proportional to 516,275.15, 712,211.36 and 335,043.92

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Solution

The fourth proportional to 516,275.15, 712,211.36 and 335,043.92 is: 462,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,275.15 : 712,211.36 = 335,043.92 : x
  2. Step 2: Convert to fraction form
    516,275.15/712,211.36 = 335,043.92/x
  3. Step 3: Cross multiply
    516,275.15x = 712,211.36 × 335,043.92
  4. Step 4: Simplify right side
    516,275.15x = 238,622,086,028.24
  5. Step 5: Solve for x
    x = 238,622,086,028.24/516,275.15
  6. Step 6: Final answer
    x = 462,199.45

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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.