Home / 653,148.76-979,759.66-203,931.68

Finding the Fourth Proportional to 653,148.76, 979,759.66 and 203,931.68

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Solution

The fourth proportional to 653,148.76, 979,759.66 and 203,931.68 is: 305,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,148.76 : 979,759.66 = 203,931.68 : x
  2. Step 2: Convert to fraction form
    653,148.76/979,759.66 = 203,931.68/x
  3. Step 3: Cross multiply
    653,148.76x = 979,759.66 × 203,931.68
  4. Step 4: Simplify right side
    653,148.76x = 199,804,033,460.03
  5. Step 5: Solve for x
    x = 199,804,033,460.03/653,148.76
  6. Step 6: Final answer
    x = 305,908.92

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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.