Home / 627,976.40-942,022.20-207,253.20

Finding the Fourth Proportional to 627,976.40, 942,022.20 and 207,253.20

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Solution

The fourth proportional to 627,976.40, 942,022.20 and 207,253.20 is: 310,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,976.40 : 942,022.20 = 207,253.20 : x
  2. Step 2: Convert to fraction form
    627,976.40/942,022.20 = 207,253.20/x
  3. Step 3: Cross multiply
    627,976.40x = 942,022.20 × 207,253.20
  4. Step 4: Simplify right side
    627,976.40x = 195,237,115,421.04
  5. Step 5: Solve for x
    x = 195,237,115,421.04/627,976.40
  6. Step 6: Final answer
    x = 310,898.81

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1.5x scale

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.