Home / 1,307,859.71-1,805,727.11-1,169,609.72

Finding the Fourth Proportional to 1,307,859.71, 1,805,727.11 and 1,169,609.72

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Solution

The fourth proportional to 1,307,859.71, 1,805,727.11 and 1,169,609.72 is: 1,614,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,859.71 : 1,805,727.11 = 1,169,609.72 : x
  2. Step 2: Convert to fraction form
    1,307,859.71/1,805,727.11 = 1,169,609.72/x
  3. Step 3: Cross multiply
    1,307,859.71x = 1,805,727.11 × 1,169,609.72
  4. Step 4: Simplify right side
    1,307,859.71x = 2,111,995,979,523.51
  5. Step 5: Solve for x
    x = 2,111,995,979,523.51/1,307,859.71
  6. Step 6: Final answer
    x = 1,614,849.03

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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.