Home / 712,387.04-1,066,884.48-412,234.88

Finding the Fourth Proportional to 712,387.04, 1,066,884.48 and 412,234.88

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Solution

The fourth proportional to 712,387.04, 1,066,884.48 and 412,234.88 is: 617,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,387.04 : 1,066,884.48 = 412,234.88 : x
  2. Step 2: Convert to fraction form
    712,387.04/1,066,884.48 = 412,234.88/x
  3. Step 3: Cross multiply
    712,387.04x = 1,066,884.48 × 412,234.88
  4. Step 4: Simplify right side
    712,387.04x = 439,806,995,586.66
  5. Step 5: Solve for x
    x = 439,806,995,586.66/712,387.04
  6. Step 6: Final answer
    x = 617,370.85

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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.