Home / 1,617,231.90-2,423,786.89-859,436.40

Finding the Fourth Proportional to 1,617,231.90, 2,423,786.89 and 859,436.40

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Solution

The fourth proportional to 1,617,231.90, 2,423,786.89 and 859,436.40 is: 1,288,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,231.90 : 2,423,786.89 = 859,436.40 : x
  2. Step 2: Convert to fraction form
    1,617,231.90/2,423,786.89 = 859,436.40/x
  3. Step 3: Cross multiply
    1,617,231.90x = 2,423,786.89 × 859,436.40
  4. Step 4: Simplify right side
    1,617,231.90x = 2,083,090,679,108.80
  5. Step 5: Solve for x
    x = 2,083,090,679,108.80/1,617,231.90
  6. Step 6: Final answer
    x = 1,288,059.36

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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.