Home / 808,408.61-1,211,535.27-382,057.51

Finding the Fourth Proportional to 808,408.61, 1,211,535.27 and 382,057.51

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Solution

The fourth proportional to 808,408.61, 1,211,535.27 and 382,057.51 is: 572,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,408.61 : 1,211,535.27 = 382,057.51 : x
  2. Step 2: Convert to fraction form
    808,408.61/1,211,535.27 = 382,057.51/x
  3. Step 3: Cross multiply
    808,408.61x = 1,211,535.27 × 382,057.51
  4. Step 4: Simplify right side
    808,408.61x = 462,876,148,533.38
  5. Step 5: Solve for x
    x = 462,876,148,533.38/808,408.61
  6. Step 6: Final answer
    x = 572,576.97

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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.