Home / 873,945.28-1,206,223.14-551,438.11

Finding the Fourth Proportional to 873,945.28, 1,206,223.14 and 551,438.11

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Solution

The fourth proportional to 873,945.28, 1,206,223.14 and 551,438.11 is: 761,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,945.28 : 1,206,223.14 = 551,438.11 : x
  2. Step 2: Convert to fraction form
    873,945.28/1,206,223.14 = 551,438.11/x
  3. Step 3: Cross multiply
    873,945.28x = 1,206,223.14 × 551,438.11
  4. Step 4: Simplify right side
    873,945.28x = 665,157,408,559.87
  5. Step 5: Solve for x
    x = 665,157,408,559.87/873,945.28
  6. Step 6: Final answer
    x = 761,097.32

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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.