Home / 1,181,142.82-1,771,995.81-382,424.61

Finding the Fourth Proportional to 1,181,142.82, 1,771,995.81 and 382,424.61

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Solution

The fourth proportional to 1,181,142.82, 1,771,995.81 and 382,424.61 is: 573,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,142.82 : 1,771,995.81 = 382,424.61 : x
  2. Step 2: Convert to fraction form
    1,181,142.82/1,771,995.81 = 382,424.61/x
  3. Step 3: Cross multiply
    1,181,142.82x = 1,771,995.81 × 382,424.61
  4. Step 4: Simplify right side
    1,181,142.82x = 677,654,806,560.88
  5. Step 5: Solve for x
    x = 677,654,806,560.88/1,181,142.82
  6. Step 6: Final answer
    x = 573,728.08

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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.