Home / 426,246.76-639,490.02-186,381.73

Finding the Fourth Proportional to 426,246.76, 639,490.02 and 186,381.73

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Solution

The fourth proportional to 426,246.76, 639,490.02 and 186,381.73 is: 279,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,246.76 : 639,490.02 = 186,381.73 : x
  2. Step 2: Convert to fraction form
    426,246.76/639,490.02 = 186,381.73/x
  3. Step 3: Cross multiply
    426,246.76x = 639,490.02 × 186,381.73
  4. Step 4: Simplify right side
    426,246.76x = 119,189,256,245.34
  5. Step 5: Solve for x
    x = 119,189,256,245.34/426,246.76
  6. Step 6: Final answer
    x = 279,625.01

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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.