Home / 589,159.40-883,739.10-323,738.60

Finding the Fourth Proportional to 589,159.40, 883,739.10 and 323,738.60

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Solution

The fourth proportional to 589,159.40, 883,739.10 and 323,738.60 is: 485,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,159.40 : 883,739.10 = 323,738.60 : x
  2. Step 2: Convert to fraction form
    589,159.40/883,739.10 = 323,738.60/x
  3. Step 3: Cross multiply
    589,159.40x = 883,739.10 × 323,738.60
  4. Step 4: Simplify right side
    589,159.40x = 286,100,458,999.26
  5. Step 5: Solve for x
    x = 286,100,458,999.26/589,159.40
  6. Step 6: Final answer
    x = 485,607.90

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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.