Home / 1,405,215.62-2,108,024.49-432,662.19

Finding the Fourth Proportional to 1,405,215.62, 2,108,024.49 and 432,662.19

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Solution

The fourth proportional to 1,405,215.62, 2,108,024.49 and 432,662.19 is: 649,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,215.62 : 2,108,024.49 = 432,662.19 : x
  2. Step 2: Convert to fraction form
    1,405,215.62/2,108,024.49 = 432,662.19/x
  3. Step 3: Cross multiply
    1,405,215.62x = 2,108,024.49 × 432,662.19
  4. Step 4: Simplify right side
    1,405,215.62x = 912,062,492,417.03
  5. Step 5: Solve for x
    x = 912,062,492,417.03/1,405,215.62
  6. Step 6: Final answer
    x = 649,055.19

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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.