Home / 1,181,143.13-1,771,996.28-382,424.91

Finding the Fourth Proportional to 1,181,143.13, 1,771,996.28 and 382,424.91

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Solution

The fourth proportional to 1,181,143.13, 1,771,996.28 and 382,424.91 is: 573,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,143.13 : 1,771,996.28 = 382,424.91 : x
  2. Step 2: Convert to fraction form
    1,181,143.13/1,771,996.28 = 382,424.91/x
  3. Step 3: Cross multiply
    1,181,143.13x = 1,771,996.28 × 382,424.91
  4. Step 4: Simplify right side
    1,181,143.13x = 677,655,515,987.21
  5. Step 5: Solve for x
    x = 677,655,515,987.21/1,181,143.13
  6. Step 6: Final answer
    x = 573,728.54

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Double scale
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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.