Home / 1,131,271.96-1,560,710.78-647,576.68

Finding the Fourth Proportional to 1,131,271.96, 1,560,710.78 and 647,576.68

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Solution

The fourth proportional to 1,131,271.96, 1,560,710.78 and 647,576.68 is: 893,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,271.96 : 1,560,710.78 = 647,576.68 : x
  2. Step 2: Convert to fraction form
    1,131,271.96/1,560,710.78 = 647,576.68/x
  3. Step 3: Cross multiply
    1,131,271.96x = 1,560,710.78 × 647,576.68
  4. Step 4: Simplify right side
    1,131,271.96x = 1,010,679,905,352.61
  5. Step 5: Solve for x
    x = 1,010,679,905,352.61/1,131,271.96
  6. Step 6: Final answer
    x = 893,401.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.