Home / 866,360.68-1,305,389.64-717,862.45

Finding the Fourth Proportional to 866,360.68, 1,305,389.64 and 717,862.45

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Solution

The fourth proportional to 866,360.68, 1,305,389.64 and 717,862.45 is: 1,081,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,360.68 : 1,305,389.64 = 717,862.45 : x
  2. Step 2: Convert to fraction form
    866,360.68/1,305,389.64 = 717,862.45/x
  3. Step 3: Cross multiply
    866,360.68x = 1,305,389.64 × 717,862.45
  4. Step 4: Simplify right side
    866,360.68x = 937,090,203,013.16
  5. Step 5: Solve for x
    x = 937,090,203,013.16/866,360.68
  6. Step 6: Final answer
    x = 1,081,639.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.