Home / 1,181,142.77-1,771,995.71-382,424.54

Finding the Fourth Proportional to 1,181,142.77, 1,771,995.71 and 382,424.54

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Solution

The fourth proportional to 1,181,142.77, 1,771,995.71 and 382,424.54 is: 573,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,142.77 : 1,771,995.71 = 382,424.54 : x
  2. Step 2: Convert to fraction form
    1,181,142.77/1,771,995.71 = 382,424.54/x
  3. Step 3: Cross multiply
    1,181,142.77x = 1,771,995.71 × 382,424.54
  4. Step 4: Simplify right side
    1,181,142.77x = 677,654,636,374.81
  5. Step 5: Solve for x
    x = 677,654,636,374.81/1,181,142.77
  6. Step 6: Final answer
    x = 573,727.97

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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.