Home / 893,575.42-1,233,142.31-485,678.18

Finding the Fourth Proportional to 893,575.42, 1,233,142.31 and 485,678.18

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Solution

The fourth proportional to 893,575.42, 1,233,142.31 and 485,678.18 is: 670,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,575.42 : 1,233,142.31 = 485,678.18 : x
  2. Step 2: Convert to fraction form
    893,575.42/1,233,142.31 = 485,678.18/x
  3. Step 3: Cross multiply
    893,575.42x = 1,233,142.31 × 485,678.18
  4. Step 4: Simplify right side
    893,575.42x = 598,910,317,098.85
  5. Step 5: Solve for x
    x = 598,910,317,098.85/893,575.42
  6. Step 6: Final answer
    x = 670,240.37

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Double scale
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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.