Home / 589,319.60-883,979.40-340,487.60

Finding the Fourth Proportional to 589,319.60, 883,979.40 and 340,487.60

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Solution

The fourth proportional to 589,319.60, 883,979.40 and 340,487.60 is: 510,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,319.60 : 883,979.40 = 340,487.60 : x
  2. Step 2: Convert to fraction form
    589,319.60/883,979.40 = 340,487.60/x
  3. Step 3: Cross multiply
    589,319.60x = 883,979.40 × 340,487.60
  4. Step 4: Simplify right side
    589,319.60x = 300,984,024,355.44
  5. Step 5: Solve for x
    x = 300,984,024,355.44/589,319.60
  6. Step 6: Final answer
    x = 510,731.40

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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.