Home / 729,299.24-1,006,488.62-402,675.24

Finding the Fourth Proportional to 729,299.24, 1,006,488.62 and 402,675.24

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Solution

The fourth proportional to 729,299.24, 1,006,488.62 and 402,675.24 is: 555,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,299.24 : 1,006,488.62 = 402,675.24 : x
  2. Step 2: Convert to fraction form
    729,299.24/1,006,488.62 = 402,675.24/x
  3. Step 3: Cross multiply
    729,299.24x = 1,006,488.62 × 402,675.24
  4. Step 4: Simplify right side
    729,299.24x = 405,288,046,615.77
  5. Step 5: Solve for x
    x = 405,288,046,615.77/729,299.24
  6. Step 6: Final answer
    x = 555,722.57

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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.