Home / 983,184.62-1,356,819.88-553,479.83

Finding the Fourth Proportional to 983,184.62, 1,356,819.88 and 553,479.83

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Solution

The fourth proportional to 983,184.62, 1,356,819.88 and 553,479.83 is: 763,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,184.62 : 1,356,819.88 = 553,479.83 : x
  2. Step 2: Convert to fraction form
    983,184.62/1,356,819.88 = 553,479.83/x
  3. Step 3: Cross multiply
    983,184.62x = 1,356,819.88 × 553,479.83
  4. Step 4: Simplify right side
    983,184.62x = 750,972,429,738.92
  5. Step 5: Solve for x
    x = 750,972,429,738.92/983,184.62
  6. Step 6: Final answer
    x = 763,816.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.