Home / 1,605,928.65-2,216,171.15-917,810.97

Finding the Fourth Proportional to 1,605,928.65, 2,216,171.15 and 917,810.97

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Solution

The fourth proportional to 1,605,928.65, 2,216,171.15 and 917,810.97 is: 1,266,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,928.65 : 2,216,171.15 = 917,810.97 : x
  2. Step 2: Convert to fraction form
    1,605,928.65/2,216,171.15 = 917,810.97/x
  3. Step 3: Cross multiply
    1,605,928.65x = 2,216,171.15 × 917,810.97
  4. Step 4: Simplify right side
    1,605,928.65x = 2,034,026,188,278.46
  5. Step 5: Solve for x
    x = 2,034,026,188,278.46/1,605,928.65
  6. Step 6: Final answer
    x = 1,266,573.20

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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.