Home / 1,151,565.50-1,589,160.39-642,268.28

Finding the Fourth Proportional to 1,151,565.50, 1,589,160.39 and 642,268.28

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Solution

The fourth proportional to 1,151,565.50, 1,589,160.39 and 642,268.28 is: 886,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,565.50 : 1,589,160.39 = 642,268.28 : x
  2. Step 2: Convert to fraction form
    1,151,565.50/1,589,160.39 = 642,268.28/x
  3. Step 3: Cross multiply
    1,151,565.50x = 1,589,160.39 × 642,268.28
  4. Step 4: Simplify right side
    1,151,565.50x = 1,020,667,310,329.43
  5. Step 5: Solve for x
    x = 1,020,667,310,329.43/1,151,565.50
  6. Step 6: Final answer
    x = 886,330.23

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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.