Home / 649,248.50-973,977.38-199,969.22

Finding the Fourth Proportional to 649,248.50, 973,977.38 and 199,969.22

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Solution

The fourth proportional to 649,248.50, 973,977.38 and 199,969.22 is: 299,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,248.50 : 973,977.38 = 199,969.22 : x
  2. Step 2: Convert to fraction form
    649,248.50/973,977.38 = 199,969.22/x
  3. Step 3: Cross multiply
    649,248.50x = 973,977.38 × 199,969.22
  4. Step 4: Simplify right side
    649,248.50x = 194,765,492,606.28
  5. Step 5: Solve for x
    x = 194,765,492,606.28/649,248.50
  6. Step 6: Final answer
    x = 299,986.05

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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.