Home / 1,527,131.53-2,107,458.81-838,819.52

Finding the Fourth Proportional to 1,527,131.53, 2,107,458.81 and 838,819.52

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Solution

The fourth proportional to 1,527,131.53, 2,107,458.81 and 838,819.52 is: 1,157,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,131.53 : 2,107,458.81 = 838,819.52 : x
  2. Step 2: Convert to fraction form
    1,527,131.53/2,107,458.81 = 838,819.52/x
  3. Step 3: Cross multiply
    1,527,131.53x = 2,107,458.81 × 838,819.52
  4. Step 4: Simplify right side
    1,527,131.53x = 1,767,777,590,716.88
  5. Step 5: Solve for x
    x = 1,767,777,590,716.88/1,527,131.53
  6. Step 6: Final answer
    x = 1,157,580.44

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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.