Home / 641,091.47-960,787.77-340,925.72

Finding the Fourth Proportional to 641,091.47, 960,787.77 and 340,925.72

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Solution

The fourth proportional to 641,091.47, 960,787.77 and 340,925.72 is: 510,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,091.47 : 960,787.77 = 340,925.72 : x
  2. Step 2: Convert to fraction form
    641,091.47/960,787.77 = 340,925.72/x
  3. Step 3: Cross multiply
    641,091.47x = 960,787.77 × 340,925.72
  4. Step 4: Simplify right side
    641,091.47x = 327,557,262,254.44
  5. Step 5: Solve for x
    x = 327,557,262,254.44/641,091.47
  6. Step 6: Final answer
    x = 510,936.86

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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.