Home / 889,334.62-1,227,280.35-481,436.35

Finding the Fourth Proportional to 889,334.62, 1,227,280.35 and 481,436.35

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Solution

The fourth proportional to 889,334.62, 1,227,280.35 and 481,436.35 is: 664,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,334.62 : 1,227,280.35 = 481,436.35 : x
  2. Step 2: Convert to fraction form
    889,334.62/1,227,280.35 = 481,436.35/x
  3. Step 3: Cross multiply
    889,334.62x = 1,227,280.35 × 481,436.35
  4. Step 4: Simplify right side
    889,334.62x = 590,857,372,130.72
  5. Step 5: Solve for x
    x = 590,857,372,130.72/889,334.62
  6. Step 6: Final answer
    x = 664,381.39

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Double scale
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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.