Home / 823,821.62-1,136,776.62-474,958.11

Finding the Fourth Proportional to 823,821.62, 1,136,776.62 and 474,958.11

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Solution

The fourth proportional to 823,821.62, 1,136,776.62 and 474,958.11 is: 655,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,821.62 : 1,136,776.62 = 474,958.11 : x
  2. Step 2: Convert to fraction form
    823,821.62/1,136,776.62 = 474,958.11/x
  3. Step 3: Cross multiply
    823,821.62x = 1,136,776.62 × 474,958.11
  4. Step 4: Simplify right side
    823,821.62x = 539,921,274,927.39
  5. Step 5: Solve for x
    x = 539,921,274,927.39/823,821.62
  6. Step 6: Final answer
    x = 655,386.14

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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.