Home / 1,666,969.52-2,500,419.72-404,803.76

Finding the Fourth Proportional to 1,666,969.52, 2,500,419.72 and 404,803.76

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Solution

The fourth proportional to 1,666,969.52, 2,500,419.72 and 404,803.76 is: 607,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,969.52 : 2,500,419.72 = 404,803.76 : x
  2. Step 2: Convert to fraction form
    1,666,969.52/2,500,419.72 = 404,803.76/x
  3. Step 3: Cross multiply
    1,666,969.52x = 2,500,419.72 × 404,803.76
  4. Step 4: Simplify right side
    1,666,969.52x = 1,012,179,304,234.15
  5. Step 5: Solve for x
    x = 1,012,179,304,234.15/1,666,969.52
  6. Step 6: Final answer
    x = 607,197.25

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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.