Home / 589,023.20-883,534.80-512,040.80

Finding the Fourth Proportional to 589,023.20, 883,534.80 and 512,040.80

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Solution

The fourth proportional to 589,023.20, 883,534.80 and 512,040.80 is: 768,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,023.20 : 883,534.80 = 512,040.80 : x
  2. Step 2: Convert to fraction form
    589,023.20/883,534.80 = 512,040.80/x
  3. Step 3: Cross multiply
    589,023.20x = 883,534.80 × 512,040.80
  4. Step 4: Simplify right side
    589,023.20x = 452,405,865,819.84
  5. Step 5: Solve for x
    x = 452,405,865,819.84/589,023.20
  6. Step 6: Final answer
    x = 768,061.20

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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.