Home / 847,209.15-1,264,718.93-725,960.61

Finding the Fourth Proportional to 847,209.15, 1,264,718.93 and 725,960.61

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Solution

The fourth proportional to 847,209.15, 1,264,718.93 and 725,960.61 is: 1,083,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,209.15 : 1,264,718.93 = 725,960.61 : x
  2. Step 2: Convert to fraction form
    847,209.15/1,264,718.93 = 725,960.61/x
  3. Step 3: Cross multiply
    847,209.15x = 1,264,718.93 × 725,960.61
  4. Step 4: Simplify right side
    847,209.15x = 918,136,122,271.54
  5. Step 5: Solve for x
    x = 918,136,122,271.54/847,209.15
  6. Step 6: Final answer
    x = 1,083,718.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.