Home / 1,167,137.61-1,610,662.20-657,839.98

Finding the Fourth Proportional to 1,167,137.61, 1,610,662.20 and 657,839.98

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Solution

The fourth proportional to 1,167,137.61, 1,610,662.20 and 657,839.98 is: 907,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,137.61 : 1,610,662.20 = 657,839.98 : x
  2. Step 2: Convert to fraction form
    1,167,137.61/1,610,662.20 = 657,839.98/x
  3. Step 3: Cross multiply
    1,167,137.61x = 1,610,662.20 × 657,839.98
  4. Step 4: Simplify right side
    1,167,137.61x = 1,059,557,988,981.18
  5. Step 5: Solve for x
    x = 1,059,557,988,981.18/1,167,137.61
  6. Step 6: Final answer
    x = 907,826.11

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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.