Home / 1,689,515.79-2,534,282.10-427,344.63

Finding the Fourth Proportional to 1,689,515.79, 2,534,282.10 and 427,344.63

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Solution

The fourth proportional to 1,689,515.79, 2,534,282.10 and 427,344.63 is: 641,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,515.79 : 2,534,282.10 = 427,344.63 : x
  2. Step 2: Convert to fraction form
    1,689,515.79/2,534,282.10 = 427,344.63/x
  3. Step 3: Cross multiply
    1,689,515.79x = 2,534,282.10 × 427,344.63
  4. Step 4: Simplify right side
    1,689,515.79x = 1,083,011,846,340.12
  5. Step 5: Solve for x
    x = 1,083,011,846,340.12/1,689,515.79
  6. Step 6: Final answer
    x = 641,019.07

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Double scale
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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.