Home / 1,256,712.17-1,734,254.55-683,754.62

Finding the Fourth Proportional to 1,256,712.17, 1,734,254.55 and 683,754.62

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Solution

The fourth proportional to 1,256,712.17, 1,734,254.55 and 683,754.62 is: 943,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,712.17 : 1,734,254.55 = 683,754.62 : x
  2. Step 2: Convert to fraction form
    1,256,712.17/1,734,254.55 = 683,754.62/x
  3. Step 3: Cross multiply
    1,256,712.17x = 1,734,254.55 × 683,754.62
  4. Step 4: Simplify right side
    1,256,712.17x = 1,185,804,552,147.25
  5. Step 5: Solve for x
    x = 1,185,804,552,147.25/1,256,712.17
  6. Step 6: Final answer
    x = 943,576.89

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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.