Home / 529,599.12-794,391.60-130,243.28

Finding the Fourth Proportional to 529,599.12, 794,391.60 and 130,243.28

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Solution

The fourth proportional to 529,599.12, 794,391.60 and 130,243.28 is: 195,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,599.12 : 794,391.60 = 130,243.28 : x
  2. Step 2: Convert to fraction form
    529,599.12/794,391.60 = 130,243.28/x
  3. Step 3: Cross multiply
    529,599.12x = 794,391.60 × 130,243.28
  4. Step 4: Simplify right side
    529,599.12x = 103,464,167,588.45
  5. Step 5: Solve for x
    x = 103,464,167,588.45/529,599.12
  6. Step 6: Final answer
    x = 195,363.18

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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.