Home / 589,739.40-884,609.10-352,960.20

Finding the Fourth Proportional to 589,739.40, 884,609.10 and 352,960.20

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Solution

The fourth proportional to 589,739.40, 884,609.10 and 352,960.20 is: 529,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,739.40 : 884,609.10 = 352,960.20 : x
  2. Step 2: Convert to fraction form
    589,739.40/884,609.10 = 352,960.20/x
  3. Step 3: Cross multiply
    589,739.40x = 884,609.10 × 352,960.20
  4. Step 4: Simplify right side
    589,739.40x = 312,231,804,857.82
  5. Step 5: Solve for x
    x = 312,231,804,857.82/589,739.40
  6. Step 6: Final answer
    x = 529,440.30

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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.