Home / 928,176.20-1,392,264.30-297,153.80

Finding the Fourth Proportional to 928,176.20, 1,392,264.30 and 297,153.80

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Solution

The fourth proportional to 928,176.20, 1,392,264.30 and 297,153.80 is: 445,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,176.20 : 1,392,264.30 = 297,153.80 : x
  2. Step 2: Convert to fraction form
    928,176.20/1,392,264.30 = 297,153.80/x
  3. Step 3: Cross multiply
    928,176.20x = 1,392,264.30 × 297,153.80
  4. Step 4: Simplify right side
    928,176.20x = 413,716,627,349.34
  5. Step 5: Solve for x
    x = 413,716,627,349.34/928,176.20
  6. Step 6: Final answer
    x = 445,730.70

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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.