Home / 823,091.70-1,234,637.55-349,715.55

Finding the Fourth Proportional to 823,091.70, 1,234,637.55 and 349,715.55

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Solution

The fourth proportional to 823,091.70, 1,234,637.55 and 349,715.55 is: 524,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,091.70 : 1,234,637.55 = 349,715.55 : x
  2. Step 2: Convert to fraction form
    823,091.70/1,234,637.55 = 349,715.55/x
  3. Step 3: Cross multiply
    823,091.70x = 1,234,637.55 × 349,715.55
  4. Step 4: Simplify right side
    823,091.70x = 431,771,949,848.90
  5. Step 5: Solve for x
    x = 431,771,949,848.90/823,091.70
  6. Step 6: Final answer
    x = 524,573.33

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Half scale
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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.