Home / 881,210.16-1,216,067.04-499,309.74

Finding the Fourth Proportional to 881,210.16, 1,216,067.04 and 499,309.74

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Solution

The fourth proportional to 881,210.16, 1,216,067.04 and 499,309.74 is: 689,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,210.16 : 1,216,067.04 = 499,309.74 : x
  2. Step 2: Convert to fraction form
    881,210.16/1,216,067.04 = 499,309.74/x
  3. Step 3: Cross multiply
    881,210.16x = 1,216,067.04 × 499,309.74
  4. Step 4: Simplify right side
    881,210.16x = 607,194,117,564.97
  5. Step 5: Solve for x
    x = 607,194,117,564.97/881,210.16
  6. Step 6: Final answer
    x = 689,045.75

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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.