Home / 1,217,718.98-1,681,127.85-734,407.06

Finding the Fourth Proportional to 1,217,718.98, 1,681,127.85 and 734,407.06

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Solution

The fourth proportional to 1,217,718.98, 1,681,127.85 and 734,407.06 is: 1,013,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,718.98 : 1,681,127.85 = 734,407.06 : x
  2. Step 2: Convert to fraction form
    1,217,718.98/1,681,127.85 = 734,407.06/x
  3. Step 3: Cross multiply
    1,217,718.98x = 1,681,127.85 × 734,407.06
  4. Step 4: Simplify right side
    1,217,718.98x = 1,234,632,161,802.62
  5. Step 5: Solve for x
    x = 1,234,632,161,802.62/1,217,718.98
  6. Step 6: Final answer
    x = 1,013,889.23

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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.