Home / 727,173.06-1,090,718.56-322,248.64

Finding the Fourth Proportional to 727,173.06, 1,090,718.56 and 322,248.64

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Solution

The fourth proportional to 727,173.06, 1,090,718.56 and 322,248.64 is: 483,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,173.06 : 1,090,718.56 = 322,248.64 : x
  2. Step 2: Convert to fraction form
    727,173.06/1,090,718.56 = 322,248.64/x
  3. Step 3: Cross multiply
    727,173.06x = 1,090,718.56 × 322,248.64
  4. Step 4: Simplify right side
    727,173.06x = 351,482,573,837.69
  5. Step 5: Solve for x
    x = 351,482,573,837.69/727,173.06
  6. Step 6: Final answer
    x = 483,354.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.