Home / 702,949.60-1,054,206.45-253,612.08

Finding the Fourth Proportional to 702,949.60, 1,054,206.45 and 253,612.08

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Solution

The fourth proportional to 702,949.60, 1,054,206.45 and 253,612.08 is: 380,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,949.60 : 1,054,206.45 = 253,612.08 : x
  2. Step 2: Convert to fraction form
    702,949.60/1,054,206.45 = 253,612.08/x
  3. Step 3: Cross multiply
    702,949.60x = 1,054,206.45 × 253,612.08
  4. Step 4: Simplify right side
    702,949.60x = 267,359,485,896.91
  5. Step 5: Solve for x
    x = 267,359,485,896.91/702,949.60
  6. Step 6: Final answer
    x = 380,339.48

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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.