Home / 811,072.24-1,118,907.72-524,684.56

Finding the Fourth Proportional to 811,072.24, 1,118,907.72 and 524,684.56

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Solution

The fourth proportional to 811,072.24, 1,118,907.72 and 524,684.56 is: 723,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,072.24 : 1,118,907.72 = 524,684.56 : x
  2. Step 2: Convert to fraction form
    811,072.24/1,118,907.72 = 524,684.56/x
  3. Step 3: Cross multiply
    811,072.24x = 1,118,907.72 × 524,684.56
  4. Step 4: Simplify right side
    811,072.24x = 587,073,604,748.80
  5. Step 5: Solve for x
    x = 587,073,604,748.80/811,072.24
  6. Step 6: Final answer
    x = 723,824.06

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1.5x scale

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.