Home / 1,204,781.36-1,807,169.16-665,011.76

Finding the Fourth Proportional to 1,204,781.36, 1,807,169.16 and 665,011.76

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Solution

The fourth proportional to 1,204,781.36, 1,807,169.16 and 665,011.76 is: 997,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,781.36 : 1,807,169.16 = 665,011.76 : x
  2. Step 2: Convert to fraction form
    1,204,781.36/1,807,169.16 = 665,011.76/x
  3. Step 3: Cross multiply
    1,204,781.36x = 1,807,169.16 × 665,011.76
  4. Step 4: Simplify right side
    1,204,781.36x = 1,201,788,743,709.32
  5. Step 5: Solve for x
    x = 1,201,788,743,709.32/1,204,781.36
  6. Step 6: Final answer
    x = 997,516.05

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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.