Home / 456,646.14-684,889.02-141,105.78

Finding the Fourth Proportional to 456,646.14, 684,889.02 and 141,105.78

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Solution

The fourth proportional to 456,646.14, 684,889.02 and 141,105.78 is: 211,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,646.14 : 684,889.02 = 141,105.78 : x
  2. Step 2: Convert to fraction form
    456,646.14/684,889.02 = 141,105.78/x
  3. Step 3: Cross multiply
    456,646.14x = 684,889.02 × 141,105.78
  4. Step 4: Simplify right side
    456,646.14x = 96,641,799,380.54
  5. Step 5: Solve for x
    x = 96,641,799,380.54/456,646.14
  6. Step 6: Final answer
    x = 211,633.89

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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.