Home / 742,694.94-1,113,863.13-342,951.44

Finding the Fourth Proportional to 742,694.94, 1,113,863.13 and 342,951.44

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Solution

The fourth proportional to 742,694.94, 1,113,863.13 and 342,951.44 is: 514,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,694.94 : 1,113,863.13 = 342,951.44 : x
  2. Step 2: Convert to fraction form
    742,694.94/1,113,863.13 = 342,951.44/x
  3. Step 3: Cross multiply
    742,694.94x = 1,113,863.13 × 342,951.44
  4. Step 4: Simplify right side
    742,694.94x = 382,000,958,827.09
  5. Step 5: Solve for x
    x = 382,000,958,827.09/742,694.94
  6. Step 6: Final answer
    x = 514,344.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.