Home / 1,252,347.50-1,728,242.82-679,387.67

Finding the Fourth Proportional to 1,252,347.50, 1,728,242.82 and 679,387.67

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Solution

The fourth proportional to 1,252,347.50, 1,728,242.82 and 679,387.67 is: 937,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,347.50 : 1,728,242.82 = 679,387.67 : x
  2. Step 2: Convert to fraction form
    1,252,347.50/1,728,242.82 = 679,387.67/x
  3. Step 3: Cross multiply
    1,252,347.50x = 1,728,242.82 × 679,387.67
  4. Step 4: Simplify right side
    1,252,347.50x = 1,174,146,854,032.82
  5. Step 5: Solve for x
    x = 1,174,146,854,032.82/1,252,347.50
  6. Step 6: Final answer
    x = 937,556.76

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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.