Home / 1,299,789.81-1,950,642.50-616,679.19

Finding the Fourth Proportional to 1,299,789.81, 1,950,642.50 and 616,679.19

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Solution

The fourth proportional to 1,299,789.81, 1,950,642.50 and 616,679.19 is: 925,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,789.81 : 1,950,642.50 = 616,679.19 : x
  2. Step 2: Convert to fraction form
    1,299,789.81/1,950,642.50 = 616,679.19/x
  3. Step 3: Cross multiply
    1,299,789.81x = 1,950,642.50 × 616,679.19
  4. Step 4: Simplify right side
    1,299,789.81x = 1,202,920,633,796.18
  5. Step 5: Solve for x
    x = 1,202,920,633,796.18/1,299,789.81
  6. Step 6: Final answer
    x = 925,473.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.