Home / 484,528.06-726,736.73-129,569.76

Finding the Fourth Proportional to 484,528.06, 726,736.73 and 129,569.76

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Solution

The fourth proportional to 484,528.06, 726,736.73 and 129,569.76 is: 194,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,528.06 : 726,736.73 = 129,569.76 : x
  2. Step 2: Convert to fraction form
    484,528.06/726,736.73 = 129,569.76/x
  3. Step 3: Cross multiply
    484,528.06x = 726,736.73 × 129,569.76
  4. Step 4: Simplify right side
    484,528.06x = 94,163,103,689.28
  5. Step 5: Solve for x
    x = 94,163,103,689.28/484,528.06
  6. Step 6: Final answer
    x = 194,339.84

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1.5x scale

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.