Home / 1,217,664.33-1,679,001.67-910,757.15

Finding the Fourth Proportional to 1,217,664.33, 1,679,001.67 and 910,757.15

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Solution

The fourth proportional to 1,217,664.33, 1,679,001.67 and 910,757.15 is: 1,255,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,664.33 : 1,679,001.67 = 910,757.15 : x
  2. Step 2: Convert to fraction form
    1,217,664.33/1,679,001.67 = 910,757.15/x
  3. Step 3: Cross multiply
    1,217,664.33x = 1,679,001.67 × 910,757.15
  4. Step 4: Simplify right side
    1,217,664.33x = 1,529,162,779,175.51
  5. Step 5: Solve for x
    x = 1,529,162,779,175.51/1,217,664.33
  6. Step 6: Final answer
    x = 1,255,816.35

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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.