Home / 641,408.36-961,828.22-341,833.10

Finding the Fourth Proportional to 641,408.36, 961,828.22 and 341,833.10

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Solution

The fourth proportional to 641,408.36, 961,828.22 and 341,833.10 is: 512,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,408.36 : 961,828.22 = 341,833.10 : x
  2. Step 2: Convert to fraction form
    641,408.36/961,828.22 = 341,833.10/x
  3. Step 3: Cross multiply
    641,408.36x = 961,828.22 × 341,833.10
  4. Step 4: Simplify right side
    641,408.36x = 328,784,718,155.52
  5. Step 5: Solve for x
    x = 328,784,718,155.52/641,408.36
  6. Step 6: Final answer
    x = 512,598.12

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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.