Home / 1,219,991.83-1,683,588.75-676,209.47

Finding the Fourth Proportional to 1,219,991.83, 1,683,588.75 and 676,209.47

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Solution

The fourth proportional to 1,219,991.83, 1,683,588.75 and 676,209.47 is: 933,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,991.83 : 1,683,588.75 = 676,209.47 : x
  2. Step 2: Convert to fraction form
    1,219,991.83/1,683,588.75 = 676,209.47/x
  3. Step 3: Cross multiply
    1,219,991.83x = 1,683,588.75 × 676,209.47
  4. Step 4: Simplify right side
    1,219,991.83x = 1,138,458,645,381.73
  5. Step 5: Solve for x
    x = 1,138,458,645,381.73/1,219,991.83
  6. Step 6: Final answer
    x = 933,169.08

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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.