Home / 914,268.78-1,261,700.19-551,622.56

Finding the Fourth Proportional to 914,268.78, 1,261,700.19 and 551,622.56

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Solution

The fourth proportional to 914,268.78, 1,261,700.19 and 551,622.56 is: 761,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,268.78 : 1,261,700.19 = 551,622.56 : x
  2. Step 2: Convert to fraction form
    914,268.78/1,261,700.19 = 551,622.56/x
  3. Step 3: Cross multiply
    914,268.78x = 1,261,700.19 × 551,622.56
  4. Step 4: Simplify right side
    914,268.78x = 695,982,282,451.79
  5. Step 5: Solve for x
    x = 695,982,282,451.79/914,268.78
  6. Step 6: Final answer
    x = 761,244.72

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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.