Home / 1,328,655.44-1,989,986.76-617,186.27

Finding the Fourth Proportional to 1,328,655.44, 1,989,986.76 and 617,186.27

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Solution

The fourth proportional to 1,328,655.44, 1,989,986.76 and 617,186.27 is: 924,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,655.44 : 1,989,986.76 = 617,186.27 : x
  2. Step 2: Convert to fraction form
    1,328,655.44/1,989,986.76 = 617,186.27/x
  3. Step 3: Cross multiply
    1,328,655.44x = 1,989,986.76 × 617,186.27
  4. Step 4: Simplify right side
    1,328,655.44x = 1,228,192,495,803.85
  5. Step 5: Solve for x
    x = 1,228,192,495,803.85/1,328,655.44
  6. Step 6: Final answer
    x = 924,387.51

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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.