Home / 753,137.46-1,129,466.22-247,581.42

Finding the Fourth Proportional to 753,137.46, 1,129,466.22 and 247,581.42

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Solution

The fourth proportional to 753,137.46, 1,129,466.22 and 247,581.42 is: 371,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,137.46 : 1,129,466.22 = 247,581.42 : x
  2. Step 2: Convert to fraction form
    753,137.46/1,129,466.22 = 247,581.42/x
  3. Step 3: Cross multiply
    753,137.46x = 1,129,466.22 × 247,581.42
  4. Step 4: Simplify right side
    753,137.46x = 279,634,850,589.63
  5. Step 5: Solve for x
    x = 279,634,850,589.63/753,137.46
  6. Step 6: Final answer
    x = 371,293.24

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Double scale
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1.5x scale

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.