Home / 972,949.04-1,342,656.96-543,236.48

Finding the Fourth Proportional to 972,949.04, 1,342,656.96 and 543,236.48

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Solution

The fourth proportional to 972,949.04, 1,342,656.96 and 543,236.48 is: 749,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,949.04 : 1,342,656.96 = 543,236.48 : x
  2. Step 2: Convert to fraction form
    972,949.04/1,342,656.96 = 543,236.48/x
  3. Step 3: Cross multiply
    972,949.04x = 1,342,656.96 × 543,236.48
  4. Step 4: Simplify right side
    972,949.04x = 729,380,240,797.90
  5. Step 5: Solve for x
    x = 729,380,240,797.90/972,949.04
  6. Step 6: Final answer
    x = 749,659.24

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1.5x scale

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.