Home / 1,317,416.20-1,817,333.06-801,327.94

Finding the Fourth Proportional to 1,317,416.20, 1,817,333.06 and 801,327.94

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Solution

The fourth proportional to 1,317,416.20, 1,817,333.06 and 801,327.94 is: 1,105,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,416.20 : 1,817,333.06 = 801,327.94 : x
  2. Step 2: Convert to fraction form
    1,317,416.20/1,817,333.06 = 801,327.94/x
  3. Step 3: Cross multiply
    1,317,416.20x = 1,817,333.06 × 801,327.94
  4. Step 4: Simplify right side
    1,317,416.20x = 1,456,279,757,263.70
  5. Step 5: Solve for x
    x = 1,456,279,757,263.70/1,317,416.20
  6. Step 6: Final answer
    x = 1,105,405.99

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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.