Home / 677,046.30-1,015,569.45-171,606.30

Finding the Fourth Proportional to 677,046.30, 1,015,569.45 and 171,606.30

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Solution

The fourth proportional to 677,046.30, 1,015,569.45 and 171,606.30 is: 257,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,046.30 : 1,015,569.45 = 171,606.30 : x
  2. Step 2: Convert to fraction form
    677,046.30/1,015,569.45 = 171,606.30/x
  3. Step 3: Cross multiply
    677,046.30x = 1,015,569.45 × 171,606.30
  4. Step 4: Simplify right side
    677,046.30x = 174,278,115,707.54
  5. Step 5: Solve for x
    x = 174,278,115,707.54/677,046.30
  6. Step 6: Final answer
    x = 257,409.45

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Half scale
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Double scale
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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.