Home / 529,884.15-730,869.62-348,538.11

Finding the Fourth Proportional to 529,884.15, 730,869.62 and 348,538.11

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Solution

The fourth proportional to 529,884.15, 730,869.62 and 348,538.11 is: 480,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,884.15 : 730,869.62 = 348,538.11 : x
  2. Step 2: Convert to fraction form
    529,884.15/730,869.62 = 348,538.11/x
  3. Step 3: Cross multiply
    529,884.15x = 730,869.62 × 348,538.11
  4. Step 4: Simplify right side
    529,884.15x = 254,735,914,268.53
  5. Step 5: Solve for x
    x = 254,735,914,268.53/529,884.15
  6. Step 6: Final answer
    x = 480,738.88

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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.