Home / 1,216,797.65-1,823,909.37-458,310.95

Finding the Fourth Proportional to 1,216,797.65, 1,823,909.37 and 458,310.95

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Solution

The fourth proportional to 1,216,797.65, 1,823,909.37 and 458,310.95 is: 686,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,797.65 : 1,823,909.37 = 458,310.95 : x
  2. Step 2: Convert to fraction form
    1,216,797.65/1,823,909.37 = 458,310.95/x
  3. Step 3: Cross multiply
    1,216,797.65x = 1,823,909.37 × 458,310.95
  4. Step 4: Simplify right side
    1,216,797.65x = 835,917,626,959.06
  5. Step 5: Solve for x
    x = 835,917,626,959.06/1,216,797.65
  6. Step 6: Final answer
    x = 686,981.63

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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.