Home / 572,012.49-857,682.27-217,051.47

Finding the Fourth Proportional to 572,012.49, 857,682.27 and 217,051.47

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Solution

The fourth proportional to 572,012.49, 857,682.27 and 217,051.47 is: 325,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,012.49 : 857,682.27 = 217,051.47 : x
  2. Step 2: Convert to fraction form
    572,012.49/857,682.27 = 217,051.47/x
  3. Step 3: Cross multiply
    572,012.49x = 857,682.27 × 217,051.47
  4. Step 4: Simplify right side
    572,012.49x = 186,161,197,496.44
  5. Step 5: Solve for x
    x = 186,161,197,496.44/572,012.49
  6. Step 6: Final answer
    x = 325,449.53

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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.