Home / 865,905.89-1,194,176.40-543,646.04

Finding the Fourth Proportional to 865,905.89, 1,194,176.40 and 543,646.04

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Solution

The fourth proportional to 865,905.89, 1,194,176.40 and 543,646.04 is: 749,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,905.89 : 1,194,176.40 = 543,646.04 : x
  2. Step 2: Convert to fraction form
    865,905.89/1,194,176.40 = 543,646.04/x
  3. Step 3: Cross multiply
    865,905.89x = 1,194,176.40 × 543,646.04
  4. Step 4: Simplify right side
    865,905.89x = 649,209,270,921.46
  5. Step 5: Solve for x
    x = 649,209,270,921.46/865,905.89
  6. Step 6: Final answer
    x = 749,745.76

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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.