Home / 513,348.68-766,263.06-452,747.72

Finding the Fourth Proportional to 513,348.68, 766,263.06 and 452,747.72

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Solution

The fourth proportional to 513,348.68, 766,263.06 and 452,747.72 is: 675,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,348.68 : 766,263.06 = 452,747.72 : x
  2. Step 2: Convert to fraction form
    513,348.68/766,263.06 = 452,747.72/x
  3. Step 3: Cross multiply
    513,348.68x = 766,263.06 × 452,747.72
  4. Step 4: Simplify right side
    513,348.68x = 346,923,855,250.88
  5. Step 5: Solve for x
    x = 346,923,855,250.88/513,348.68
  6. Step 6: Final answer
    x = 675,805.48

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.