Home / 1,243,275.16-1,715,717.19-699,411.34

Finding the Fourth Proportional to 1,243,275.16, 1,715,717.19 and 699,411.34

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Solution

The fourth proportional to 1,243,275.16, 1,715,717.19 and 699,411.34 is: 965,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,275.16 : 1,715,717.19 = 699,411.34 : x
  2. Step 2: Convert to fraction form
    1,243,275.16/1,715,717.19 = 699,411.34/x
  3. Step 3: Cross multiply
    1,243,275.16x = 1,715,717.19 × 699,411.34
  4. Step 4: Simplify right side
    1,243,275.16x = 1,199,992,058,918.93
  5. Step 5: Solve for x
    x = 1,199,992,058,918.93/1,243,275.16
  6. Step 6: Final answer
    x = 965,186.23

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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.