Home / 1,411,755.52-2,117,760.18-400,887.40

Finding the Fourth Proportional to 1,411,755.52, 2,117,760.18 and 400,887.40

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Solution

The fourth proportional to 1,411,755.52, 2,117,760.18 and 400,887.40 is: 601,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,755.52 : 2,117,760.18 = 400,887.40 : x
  2. Step 2: Convert to fraction form
    1,411,755.52/2,117,760.18 = 400,887.40/x
  3. Step 3: Cross multiply
    1,411,755.52x = 2,117,760.18 × 400,887.40
  4. Step 4: Simplify right side
    1,411,755.52x = 848,983,372,383.73
  5. Step 5: Solve for x
    x = 848,983,372,383.73/1,411,755.52
  6. Step 6: Final answer
    x = 601,367.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.