Home / 752,049.90-1,127,090.70-302,402.70

Finding the Fourth Proportional to 752,049.90, 1,127,090.70 and 302,402.70

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Solution

The fourth proportional to 752,049.90, 1,127,090.70 and 302,402.70 is: 453,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,049.90 : 1,127,090.70 = 302,402.70 : x
  2. Step 2: Convert to fraction form
    752,049.90/1,127,090.70 = 302,402.70/x
  3. Step 3: Cross multiply
    752,049.90x = 1,127,090.70 × 302,402.70
  4. Step 4: Simplify right side
    752,049.90x = 340,835,270,824.89
  5. Step 5: Solve for x
    x = 340,835,270,824.89/752,049.90
  6. Step 6: Final answer
    x = 453,208.32

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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.