Home / 1,527,415.32-2,107,834.53-839,131.74

Finding the Fourth Proportional to 1,527,415.32, 2,107,834.53 and 839,131.74

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Solution

The fourth proportional to 1,527,415.32, 2,107,834.53 and 839,131.74 is: 1,158,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,415.32 : 2,107,834.53 = 839,131.74 : x
  2. Step 2: Convert to fraction form
    1,527,415.32/2,107,834.53 = 839,131.74/x
  3. Step 3: Cross multiply
    1,527,415.32x = 2,107,834.53 × 839,131.74
  4. Step 4: Simplify right side
    1,527,415.32x = 1,768,750,856,790.98
  5. Step 5: Solve for x
    x = 1,768,750,856,790.98/1,527,415.32
  6. Step 6: Final answer
    x = 1,158,002.56

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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.