Home / 1,216,780.91-1,678,650.28-700,411.25

Finding the Fourth Proportional to 1,216,780.91, 1,678,650.28 and 700,411.25

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Solution

The fourth proportional to 1,216,780.91, 1,678,650.28 and 700,411.25 is: 966,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,780.91 : 1,678,650.28 = 700,411.25 : x
  2. Step 2: Convert to fraction form
    1,216,780.91/1,678,650.28 = 700,411.25/x
  3. Step 3: Cross multiply
    1,216,780.91x = 1,678,650.28 × 700,411.25
  4. Step 4: Simplify right side
    1,216,780.91x = 1,175,745,540,927.65
  5. Step 5: Solve for x
    x = 1,175,745,540,927.65/1,216,780.91
  6. Step 6: Final answer
    x = 966,275.47

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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.