Home / 472,621.18-708,928.12-117,632.82

Finding the Fourth Proportional to 472,621.18, 708,928.12 and 117,632.82

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Solution

The fourth proportional to 472,621.18, 708,928.12 and 117,632.82 is: 176,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,621.18 : 708,928.12 = 117,632.82 : x
  2. Step 2: Convert to fraction form
    472,621.18/708,928.12 = 117,632.82/x
  3. Step 3: Cross multiply
    472,621.18x = 708,928.12 × 117,632.82
  4. Step 4: Simplify right side
    472,621.18x = 83,393,213,932.90
  5. Step 5: Solve for x
    x = 83,393,213,932.90/472,621.18
  6. Step 6: Final answer
    x = 176,448.32

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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.