Home / 919,023.66-1,268,065.17-536,976.54

Finding the Fourth Proportional to 919,023.66, 1,268,065.17 and 536,976.54

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Solution

The fourth proportional to 919,023.66, 1,268,065.17 and 536,976.54 is: 740,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,023.66 : 1,268,065.17 = 536,976.54 : x
  2. Step 2: Convert to fraction form
    919,023.66/1,268,065.17 = 536,976.54/x
  3. Step 3: Cross multiply
    919,023.66x = 1,268,065.17 × 536,976.54
  4. Step 4: Simplify right side
    919,023.66x = 680,921,247,481.11
  5. Step 5: Solve for x
    x = 680,921,247,481.11/919,023.66
  6. Step 6: Final answer
    x = 740,918.08

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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.