Home / 571,989.50-857,474.40-217,252.63

Finding the Fourth Proportional to 571,989.50, 857,474.40 and 217,252.63

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Solution

The fourth proportional to 571,989.50, 857,474.40 and 217,252.63 is: 325,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,989.50 : 857,474.40 = 217,252.63 : x
  2. Step 2: Convert to fraction form
    571,989.50/857,474.40 = 217,252.63/x
  3. Step 3: Cross multiply
    571,989.50x = 857,474.40 × 217,252.63
  4. Step 4: Simplify right side
    571,989.50x = 186,288,570,444.21
  5. Step 5: Solve for x
    x = 186,288,570,444.21/571,989.50
  6. Step 6: Final answer
    x = 325,685.30

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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.