Home / 1,417,049.71-1,955,457.92-805,121.64

Finding the Fourth Proportional to 1,417,049.71, 1,955,457.92 and 805,121.64

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Solution

The fourth proportional to 1,417,049.71, 1,955,457.92 and 805,121.64 is: 1,111,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,049.71 : 1,955,457.92 = 805,121.64 : x
  2. Step 2: Convert to fraction form
    1,417,049.71/1,955,457.92 = 805,121.64/x
  3. Step 3: Cross multiply
    1,417,049.71x = 1,955,457.92 × 805,121.64
  4. Step 4: Simplify right side
    1,417,049.71x = 1,574,381,489,514.19
  5. Step 5: Solve for x
    x = 1,574,381,489,514.19/1,417,049.71
  6. Step 6: Final answer
    x = 1,111,027.71

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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.