Home / 653,041.77-979,528.06-203,711.15

Finding the Fourth Proportional to 653,041.77, 979,528.06 and 203,711.15

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Solution

The fourth proportional to 653,041.77, 979,528.06 and 203,711.15 is: 305,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,041.77 : 979,528.06 = 203,711.15 : x
  2. Step 2: Convert to fraction form
    653,041.77/979,528.06 = 203,711.15/x
  3. Step 3: Cross multiply
    653,041.77x = 979,528.06 × 203,711.15
  4. Step 4: Simplify right side
    653,041.77x = 199,540,790,836.27
  5. Step 5: Solve for x
    x = 199,540,790,836.27/653,041.77
  6. Step 6: Final answer
    x = 305,555.94

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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.