Home / 547,979.76-822,036.12-192,921.12

Finding the Fourth Proportional to 547,979.76, 822,036.12 and 192,921.12

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Solution

The fourth proportional to 547,979.76, 822,036.12 and 192,921.12 is: 289,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,979.76 : 822,036.12 = 192,921.12 : x
  2. Step 2: Convert to fraction form
    547,979.76/822,036.12 = 192,921.12/x
  3. Step 3: Cross multiply
    547,979.76x = 822,036.12 × 192,921.12
  4. Step 4: Simplify right side
    547,979.76x = 158,588,128,950.85
  5. Step 5: Solve for x
    x = 158,588,128,950.85/547,979.76
  6. Step 6: Final answer
    x = 289,405.08

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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.