Home / 641,180.74-961,963.68-191,916.28

Finding the Fourth Proportional to 641,180.74, 961,963.68 and 191,916.28

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Solution

The fourth proportional to 641,180.74, 961,963.68 and 191,916.28 is: 287,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,180.74 : 961,963.68 = 191,916.28 : x
  2. Step 2: Convert to fraction form
    641,180.74/961,963.68 = 191,916.28/x
  3. Step 3: Cross multiply
    641,180.74x = 961,963.68 × 191,916.28
  4. Step 4: Simplify right side
    641,180.74x = 184,616,490,960.71
  5. Step 5: Solve for x
    x = 184,616,490,960.71/641,180.74
  6. Step 6: Final answer
    x = 287,932.06

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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.