Home / 677,081.80-1,015,622.70-171,641.80

Finding the Fourth Proportional to 677,081.80, 1,015,622.70 and 171,641.80

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Solution

The fourth proportional to 677,081.80, 1,015,622.70 and 171,641.80 is: 257,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,081.80 : 1,015,622.70 = 171,641.80 : x
  2. Step 2: Convert to fraction form
    677,081.80/1,015,622.70 = 171,641.80/x
  3. Step 3: Cross multiply
    677,081.80x = 1,015,622.70 × 171,641.80
  4. Step 4: Simplify right side
    677,081.80x = 174,323,308,348.86
  5. Step 5: Solve for x
    x = 174,323,308,348.86/677,081.80
  6. Step 6: Final answer
    x = 257,462.70

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Similar ratio
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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.