Home / 529,943.16-731,037.66-368,517.96

Finding the Fourth Proportional to 529,943.16, 731,037.66 and 368,517.96

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Solution

The fourth proportional to 529,943.16, 731,037.66 and 368,517.96 is: 508,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,943.16 : 731,037.66 = 368,517.96 : x
  2. Step 2: Convert to fraction form
    529,943.16/731,037.66 = 368,517.96/x
  3. Step 3: Cross multiply
    529,943.16x = 731,037.66 × 368,517.96
  4. Step 4: Simplify right side
    529,943.16x = 269,400,507,146.37
  5. Step 5: Solve for x
    x = 269,400,507,146.37/529,943.16
  6. Step 6: Final answer
    x = 508,357.36

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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.