Home / 891,973.11-1,230,905.40-504,781.34

Finding the Fourth Proportional to 891,973.11, 1,230,905.40 and 504,781.34

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Solution

The fourth proportional to 891,973.11, 1,230,905.40 and 504,781.34 is: 696,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,973.11 : 1,230,905.40 = 504,781.34 : x
  2. Step 2: Convert to fraction form
    891,973.11/1,230,905.40 = 504,781.34/x
  3. Step 3: Cross multiply
    891,973.11x = 1,230,905.40 × 504,781.34
  4. Step 4: Simplify right side
    891,973.11x = 621,338,069,177.78
  5. Step 5: Solve for x
    x = 621,338,069,177.78/891,973.11
  6. Step 6: Final answer
    x = 696,588.34

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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.