Home / 649,248.87-973,977.95-199,969.59

Finding the Fourth Proportional to 649,248.87, 973,977.95 and 199,969.59

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Solution

The fourth proportional to 649,248.87, 973,977.95 and 199,969.59 is: 299,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,248.87 : 973,977.95 = 199,969.59 : x
  2. Step 2: Convert to fraction form
    649,248.87/973,977.95 = 199,969.59/x
  3. Step 3: Cross multiply
    649,248.87x = 973,977.95 × 199,969.59
  4. Step 4: Simplify right side
    649,248.87x = 194,765,970,330.69
  5. Step 5: Solve for x
    x = 194,765,970,330.69/649,248.87
  6. Step 6: Final answer
    x = 299,986.61

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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.