Home / 1,605,925.65-2,216,167.01-917,807.97

Finding the Fourth Proportional to 1,605,925.65, 2,216,167.01 and 917,807.97

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Solution

The fourth proportional to 1,605,925.65, 2,216,167.01 and 917,807.97 is: 1,266,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,925.65 : 2,216,167.01 = 917,807.97 : x
  2. Step 2: Convert to fraction form
    1,605,925.65/2,216,167.01 = 917,807.97/x
  3. Step 3: Cross multiply
    1,605,925.65x = 2,216,167.01 × 917,807.97
  4. Step 4: Simplify right side
    1,605,925.65x = 2,034,015,740,040.03
  5. Step 5: Solve for x
    x = 2,034,015,740,040.03/1,605,925.65
  6. Step 6: Final answer
    x = 1,266,569.06

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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.