Home / 708,176.20-1,059,672.30-521,552.20

Finding the Fourth Proportional to 708,176.20, 1,059,672.30 and 521,552.20

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Solution

The fourth proportional to 708,176.20, 1,059,672.30 and 521,552.20 is: 780,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,176.20 : 1,059,672.30 = 521,552.20 : x
  2. Step 2: Convert to fraction form
    708,176.20/1,059,672.30 = 521,552.20/x
  3. Step 3: Cross multiply
    708,176.20x = 1,059,672.30 × 521,552.20
  4. Step 4: Simplify right side
    708,176.20x = 552,674,419,344.06
  5. Step 5: Solve for x
    x = 552,674,419,344.06/708,176.20
  6. Step 6: Final answer
    x = 780,419.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.