Home / 991,983.05-1,369,043.63-562,217.04

Finding the Fourth Proportional to 991,983.05, 1,369,043.63 and 562,217.04

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Solution

The fourth proportional to 991,983.05, 1,369,043.63 and 562,217.04 is: 775,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,983.05 : 1,369,043.63 = 562,217.04 : x
  2. Step 2: Convert to fraction form
    991,983.05/1,369,043.63 = 562,217.04/x
  3. Step 3: Cross multiply
    991,983.05x = 1,369,043.63 × 562,217.04
  4. Step 4: Simplify right side
    991,983.05x = 769,699,665,499.13
  5. Step 5: Solve for x
    x = 769,699,665,499.13/991,983.05
  6. Step 6: Final answer
    x = 775,920.18

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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.