Home / 981,844.80-1,473,112.80-482,875.20

Finding the Fourth Proportional to 981,844.80, 1,473,112.80 and 482,875.20

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Solution

The fourth proportional to 981,844.80, 1,473,112.80 and 482,875.20 is: 724,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,844.80 : 1,473,112.80 = 482,875.20 : x
  2. Step 2: Convert to fraction form
    981,844.80/1,473,112.80 = 482,875.20/x
  3. Step 3: Cross multiply
    981,844.80x = 1,473,112.80 × 482,875.20
  4. Step 4: Simplify right side
    981,844.80x = 711,329,637,922.56
  5. Step 5: Solve for x
    x = 711,329,637,922.56/981,844.80
  6. Step 6: Final answer
    x = 724,482.77

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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.