Home / 754,011.36-1,040,536.80-414,481.68

Finding the Fourth Proportional to 754,011.36, 1,040,536.80 and 414,481.68

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Solution

The fourth proportional to 754,011.36, 1,040,536.80 and 414,481.68 is: 571,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,011.36 : 1,040,536.80 = 414,481.68 : x
  2. Step 2: Convert to fraction form
    754,011.36/1,040,536.80 = 414,481.68/x
  3. Step 3: Cross multiply
    754,011.36x = 1,040,536.80 × 414,481.68
  4. Step 4: Simplify right side
    754,011.36x = 431,283,440,965.82
  5. Step 5: Solve for x
    x = 431,283,440,965.82/754,011.36
  6. Step 6: Final answer
    x = 571,985.34

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Double scale
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1.5x scale

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.