Home / 1,113,163.59-1,667,519.49-513,303.51

Finding the Fourth Proportional to 1,113,163.59, 1,667,519.49 and 513,303.51

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Solution

The fourth proportional to 1,113,163.59, 1,667,519.49 and 513,303.51 is: 768,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,163.59 : 1,667,519.49 = 513,303.51 : x
  2. Step 2: Convert to fraction form
    1,113,163.59/1,667,519.49 = 513,303.51/x
  3. Step 3: Cross multiply
    1,113,163.59x = 1,667,519.49 × 513,303.51
  4. Step 4: Simplify right side
    1,113,163.59x = 855,943,607,210.41
  5. Step 5: Solve for x
    x = 855,943,607,210.41/1,113,163.59
  6. Step 6: Final answer
    x = 768,928.86

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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.