Home / 928,182.39-1,392,274.68-254,269.50

Finding the Fourth Proportional to 928,182.39, 1,392,274.68 and 254,269.50

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Solution

The fourth proportional to 928,182.39, 1,392,274.68 and 254,269.50 is: 381,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,182.39 : 1,392,274.68 = 254,269.50 : x
  2. Step 2: Convert to fraction form
    928,182.39/1,392,274.68 = 254,269.50/x
  3. Step 3: Cross multiply
    928,182.39x = 1,392,274.68 × 254,269.50
  4. Step 4: Simplify right side
    928,182.39x = 354,012,986,746.26
  5. Step 5: Solve for x
    x = 354,012,986,746.26/928,182.39
  6. Step 6: Final answer
    x = 381,404.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.