Home / 811,188.85-1,119,102.35-466,942.41

Finding the Fourth Proportional to 811,188.85, 1,119,102.35 and 466,942.41

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Solution

The fourth proportional to 811,188.85, 1,119,102.35 and 466,942.41 is: 644,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,188.85 : 1,119,102.35 = 466,942.41 : x
  2. Step 2: Convert to fraction form
    811,188.85/1,119,102.35 = 466,942.41/x
  3. Step 3: Cross multiply
    811,188.85x = 1,119,102.35 × 466,942.41
  4. Step 4: Simplify right side
    811,188.85x = 522,556,348,345.66
  5. Step 5: Solve for x
    x = 522,556,348,345.66/811,188.85
  6. Step 6: Final answer
    x = 644,185.81

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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.