Home / 807,228.20-1,114,022.76-463,061.60

Finding the Fourth Proportional to 807,228.20, 1,114,022.76 and 463,061.60

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Solution

The fourth proportional to 807,228.20, 1,114,022.76 and 463,061.60 is: 639,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,228.20 : 1,114,022.76 = 463,061.60 : x
  2. Step 2: Convert to fraction form
    807,228.20/1,114,022.76 = 463,061.60/x
  3. Step 3: Cross multiply
    807,228.20x = 1,114,022.76 × 463,061.60
  4. Step 4: Simplify right side
    807,228.20x = 515,861,161,682.02
  5. Step 5: Solve for x
    x = 515,861,161,682.02/807,228.20
  6. Step 6: Final answer
    x = 639,052.45

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Double scale
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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.