Home / 1,117,892.40-1,676,687.40-444,469.20

Finding the Fourth Proportional to 1,117,892.40, 1,676,687.40 and 444,469.20

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Solution

The fourth proportional to 1,117,892.40, 1,676,687.40 and 444,469.20 is: 666,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,892.40 : 1,676,687.40 = 444,469.20 : x
  2. Step 2: Convert to fraction form
    1,117,892.40/1,676,687.40 = 444,469.20/x
  3. Step 3: Cross multiply
    1,117,892.40x = 1,676,687.40 × 444,469.20
  4. Step 4: Simplify right side
    1,117,892.40x = 745,235,907,328.08
  5. Step 5: Solve for x
    x = 745,235,907,328.08/1,117,892.40
  6. Step 6: Final answer
    x = 666,643.68

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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.