Home / 1,217,666.33-1,679,004.42-910,759.15

Finding the Fourth Proportional to 1,217,666.33, 1,679,004.42 and 910,759.15

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Solution

The fourth proportional to 1,217,666.33, 1,679,004.42 and 910,759.15 is: 1,255,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,666.33 : 1,679,004.42 = 910,759.15 : x
  2. Step 2: Convert to fraction form
    1,217,666.33/1,679,004.42 = 910,759.15/x
  3. Step 3: Cross multiply
    1,217,666.33x = 1,679,004.42 × 910,759.15
  4. Step 4: Simplify right side
    1,217,666.33x = 1,529,168,638,405.44
  5. Step 5: Solve for x
    x = 1,529,168,638,405.44/1,217,666.33
  6. Step 6: Final answer
    x = 1,255,819.10

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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.