Home / 589,323.20-884,049.60-215,427.20

Finding the Fourth Proportional to 589,323.20, 884,049.60 and 215,427.20

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Solution

The fourth proportional to 589,323.20, 884,049.60 and 215,427.20 is: 323,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,323.20 : 884,049.60 = 215,427.20 : x
  2. Step 2: Convert to fraction form
    589,323.20/884,049.60 = 215,427.20/x
  3. Step 3: Cross multiply
    589,323.20x = 884,049.60 × 215,427.20
  4. Step 4: Simplify right side
    589,323.20x = 190,448,329,989.12
  5. Step 5: Solve for x
    x = 190,448,329,989.12/589,323.20
  6. Step 6: Final answer
    x = 323,164.49

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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.