Home / 1,753,500.32-2,419,830.96-989,715.68

Finding the Fourth Proportional to 1,753,500.32, 2,419,830.96 and 989,715.68

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Solution

The fourth proportional to 1,753,500.32, 2,419,830.96 and 989,715.68 is: 1,365,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,500.32 : 2,419,830.96 = 989,715.68 : x
  2. Step 2: Convert to fraction form
    1,753,500.32/2,419,830.96 = 989,715.68/x
  3. Step 3: Cross multiply
    1,753,500.32x = 2,419,830.96 × 989,715.68
  4. Step 4: Simplify right side
    1,753,500.32x = 2,394,944,644,061.45
  5. Step 5: Solve for x
    x = 2,394,944,644,061.45/1,753,500.32
  6. Step 6: Final answer
    x = 1,365,807.93

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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.