Home / 588,739.20-883,108.80-145,507.20

Finding the Fourth Proportional to 588,739.20, 883,108.80 and 145,507.20

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Solution

The fourth proportional to 588,739.20, 883,108.80 and 145,507.20 is: 218,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,739.20 : 883,108.80 = 145,507.20 : x
  2. Step 2: Convert to fraction form
    588,739.20/883,108.80 = 145,507.20/x
  3. Step 3: Cross multiply
    588,739.20x = 883,108.80 × 145,507.20
  4. Step 4: Simplify right side
    588,739.20x = 128,498,688,783.36
  5. Step 5: Solve for x
    x = 128,498,688,783.36/588,739.20
  6. Step 6: Final answer
    x = 218,260.80

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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.