Home / 1,943,985.45-2,917,279.99-806,748.69

Finding the Fourth Proportional to 1,943,985.45, 2,917,279.99 and 806,748.69

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Solution

The fourth proportional to 1,943,985.45, 2,917,279.99 and 806,748.69 is: 1,210,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,985.45 : 2,917,279.99 = 806,748.69 : x
  2. Step 2: Convert to fraction form
    1,943,985.45/2,917,279.99 = 806,748.69/x
  3. Step 3: Cross multiply
    1,943,985.45x = 2,917,279.99 × 806,748.69
  4. Step 4: Simplify right side
    1,943,985.45x = 2,353,511,817,705.99
  5. Step 5: Solve for x
    x = 2,353,511,817,705.99/1,943,985.45
  6. Step 6: Final answer
    x = 1,210,663.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.