Home / 1,317,416.89-1,817,935.17-801,099.51

Finding the Fourth Proportional to 1,317,416.89, 1,817,935.17 and 801,099.51

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Solution

The fourth proportional to 1,317,416.89, 1,817,935.17 and 801,099.51 is: 1,105,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,416.89 : 1,817,935.17 = 801,099.51 : x
  2. Step 2: Convert to fraction form
    1,317,416.89/1,817,935.17 = 801,099.51/x
  3. Step 3: Cross multiply
    1,317,416.89x = 1,817,935.17 × 801,099.51
  4. Step 4: Simplify right side
    1,317,416.89x = 1,456,346,973,898.77
  5. Step 5: Solve for x
    x = 1,456,346,973,898.77/1,317,416.89
  6. Step 6: Final answer
    x = 1,105,456.43

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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.