Home / 881,657.58-1,215,561.11-571,011.31

Finding the Fourth Proportional to 881,657.58, 1,215,561.11 and 571,011.31

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Solution

The fourth proportional to 881,657.58, 1,215,561.11 and 571,011.31 is: 787,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,657.58 : 1,215,561.11 = 571,011.31 : x
  2. Step 2: Convert to fraction form
    881,657.58/1,215,561.11 = 571,011.31/x
  3. Step 3: Cross multiply
    881,657.58x = 1,215,561.11 × 571,011.31
  4. Step 4: Simplify right side
    881,657.58x = 694,099,141,806.15
  5. Step 5: Solve for x
    x = 694,099,141,806.15/881,657.58
  6. Step 6: Final answer
    x = 787,266.12

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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.