Home / 813,751.57-1,122,932.19-451,154.26

Finding the Fourth Proportional to 813,751.57, 1,122,932.19 and 451,154.26

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Solution

The fourth proportional to 813,751.57, 1,122,932.19 and 451,154.26 is: 622,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,751.57 : 1,122,932.19 = 451,154.26 : x
  2. Step 2: Convert to fraction form
    813,751.57/1,122,932.19 = 451,154.26/x
  3. Step 3: Cross multiply
    813,751.57x = 1,122,932.19 × 451,154.26
  4. Step 4: Simplify right side
    813,751.57x = 506,615,641,209.63
  5. Step 5: Solve for x
    x = 506,615,641,209.63/813,751.57
  6. Step 6: Final answer
    x = 622,567.94

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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.