Home / 889,361.48-1,227,317.32-481,463.17

Finding the Fourth Proportional to 889,361.48, 1,227,317.32 and 481,463.17

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Solution

The fourth proportional to 889,361.48, 1,227,317.32 and 481,463.17 is: 664,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,361.48 : 1,227,317.32 = 481,463.17 : x
  2. Step 2: Convert to fraction form
    889,361.48/1,227,317.32 = 481,463.17/x
  3. Step 3: Cross multiply
    889,361.48x = 1,227,317.32 × 481,463.17
  4. Step 4: Simplify right side
    889,361.48x = 590,908,087,483.10
  5. Step 5: Solve for x
    x = 590,908,087,483.10/889,361.48
  6. Step 6: Final answer
    x = 664,418.35

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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.