Home / 589,302.20-884,018.10-215,406.20

Finding the Fourth Proportional to 589,302.20, 884,018.10 and 215,406.20

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Solution

The fourth proportional to 589,302.20, 884,018.10 and 215,406.20 is: 323,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,302.20 : 884,018.10 = 215,406.20 : x
  2. Step 2: Convert to fraction form
    589,302.20/884,018.10 = 215,406.20/x
  3. Step 3: Cross multiply
    589,302.20x = 884,018.10 × 215,406.20
  4. Step 4: Simplify right side
    589,302.20x = 190,422,979,652.22
  5. Step 5: Solve for x
    x = 190,422,979,652.22/589,302.20
  6. Step 6: Final answer
    x = 323,132.99

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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.