Home / 1,461,171.16-2,016,378.39-816,596.65

Finding the Fourth Proportional to 1,461,171.16, 2,016,378.39 and 816,596.65

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Solution

The fourth proportional to 1,461,171.16, 2,016,378.39 and 816,596.65 is: 1,126,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,171.16 : 2,016,378.39 = 816,596.65 : x
  2. Step 2: Convert to fraction form
    1,461,171.16/2,016,378.39 = 816,596.65/x
  3. Step 3: Cross multiply
    1,461,171.16x = 2,016,378.39 × 816,596.65
  4. Step 4: Simplify right side
    1,461,171.16x = 1,646,567,838,406.39
  5. Step 5: Solve for x
    x = 1,646,567,838,406.39/1,461,171.16
  6. Step 6: Final answer
    x = 1,126,882.25

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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.