Home / 1,207,440.30-1,811,160.45-647,568.30

Finding the Fourth Proportional to 1,207,440.30, 1,811,160.45 and 647,568.30

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Solution

The fourth proportional to 1,207,440.30, 1,811,160.45 and 647,568.30 is: 971,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,440.30 : 1,811,160.45 = 647,568.30 : x
  2. Step 2: Convert to fraction form
    1,207,440.30/1,811,160.45 = 647,568.30/x
  3. Step 3: Cross multiply
    1,207,440.30x = 1,811,160.45 × 647,568.30
  4. Step 4: Simplify right side
    1,207,440.30x = 1,172,850,093,633.74
  5. Step 5: Solve for x
    x = 1,172,850,093,633.74/1,207,440.30
  6. Step 6: Final answer
    x = 971,352.45

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Double scale
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Similar ratio
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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.