Home / 699,082.75-1,048,647.36-193,648.83

Finding the Fourth Proportional to 699,082.75, 1,048,647.36 and 193,648.83

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Solution

The fourth proportional to 699,082.75, 1,048,647.36 and 193,648.83 is: 290,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,082.75 : 1,048,647.36 = 193,648.83 : x
  2. Step 2: Convert to fraction form
    699,082.75/1,048,647.36 = 193,648.83/x
  3. Step 3: Cross multiply
    699,082.75x = 1,048,647.36 × 193,648.83
  4. Step 4: Simplify right side
    699,082.75x = 203,069,331,140.34
  5. Step 5: Solve for x
    x = 203,069,331,140.34/699,082.75
  6. Step 6: Final answer
    x = 290,479.68

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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.