Home / 1,731,239.79-2,389,401.54-1,172,180.63

Finding the Fourth Proportional to 1,731,239.79, 2,389,401.54 and 1,172,180.63

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Solution

The fourth proportional to 1,731,239.79, 2,389,401.54 and 1,172,180.63 is: 1,617,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,239.79 : 2,389,401.54 = 1,172,180.63 : x
  2. Step 2: Convert to fraction form
    1,731,239.79/2,389,401.54 = 1,172,180.63/x
  3. Step 3: Cross multiply
    1,731,239.79x = 2,389,401.54 × 1,172,180.63
  4. Step 4: Simplify right side
    1,731,239.79x = 2,800,810,190,533.16
  5. Step 5: Solve for x
    x = 2,800,810,190,533.16/1,731,239.79
  6. Step 6: Final answer
    x = 1,617,806.04

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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.