Home / 1,679,479.50-2,318,509.13-1,163,624.52

Finding the Fourth Proportional to 1,679,479.50, 2,318,509.13 and 1,163,624.52

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Solution

The fourth proportional to 1,679,479.50, 2,318,509.13 and 1,163,624.52 is: 1,606,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,479.50 : 2,318,509.13 = 1,163,624.52 : x
  2. Step 2: Convert to fraction form
    1,679,479.50/2,318,509.13 = 1,163,624.52/x
  3. Step 3: Cross multiply
    1,679,479.50x = 2,318,509.13 × 1,163,624.52
  4. Step 4: Simplify right side
    1,679,479.50x = 2,697,874,067,693.75
  5. Step 5: Solve for x
    x = 2,697,874,067,693.75/1,679,479.50
  6. Step 6: Final answer
    x = 1,606,375.11

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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.