Home / 1,291,590.14-1,781,384.55-839,026.94

Finding the Fourth Proportional to 1,291,590.14, 1,781,384.55 and 839,026.94

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Solution

The fourth proportional to 1,291,590.14, 1,781,384.55 and 839,026.94 is: 1,157,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,590.14 : 1,781,384.55 = 839,026.94 : x
  2. Step 2: Convert to fraction form
    1,291,590.14/1,781,384.55 = 839,026.94/x
  3. Step 3: Cross multiply
    1,291,590.14x = 1,781,384.55 × 839,026.94
  4. Step 4: Simplify right side
    1,291,590.14x = 1,494,629,627,949.78
  5. Step 5: Solve for x
    x = 1,494,629,627,949.78/1,291,590.14
  6. Step 6: Final answer
    x = 1,157,201.18

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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.