Home / 918,791.11-1,267,830.25-551,248.75

Finding the Fourth Proportional to 918,791.11, 1,267,830.25 and 551,248.75

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Solution

The fourth proportional to 918,791.11, 1,267,830.25 and 551,248.75 is: 760,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,791.11 : 1,267,830.25 = 551,248.75 : x
  2. Step 2: Convert to fraction form
    918,791.11/1,267,830.25 = 551,248.75/x
  3. Step 3: Cross multiply
    918,791.11x = 1,267,830.25 × 551,248.75
  4. Step 4: Simplify right side
    918,791.11x = 698,889,840,524.69
  5. Step 5: Solve for x
    x = 698,889,840,524.69/918,791.11
  6. Step 6: Final answer
    x = 760,662.39

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1.5x scale

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.