Home / 763,995.60-1,150,432.56-565,720.56

Finding the Fourth Proportional to 763,995.60, 1,150,432.56 and 565,720.56

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Solution

The fourth proportional to 763,995.60, 1,150,432.56 and 565,720.56 is: 851,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,995.60 : 1,150,432.56 = 565,720.56 : x
  2. Step 2: Convert to fraction form
    763,995.60/1,150,432.56 = 565,720.56/x
  3. Step 3: Cross multiply
    763,995.60x = 1,150,432.56 × 565,720.56
  4. Step 4: Simplify right side
    763,995.60x = 650,823,352,085.43
  5. Step 5: Solve for x
    x = 650,823,352,085.43/763,995.60
  6. Step 6: Final answer
    x = 851,867.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.