Home / 589,620.20-882,389.10-353,132.60

Finding the Fourth Proportional to 589,620.20, 882,389.10 and 353,132.60

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Solution

The fourth proportional to 589,620.20, 882,389.10 and 353,132.60 is: 528,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,620.20 : 882,389.10 = 353,132.60 : x
  2. Step 2: Convert to fraction form
    589,620.20/882,389.10 = 353,132.60/x
  3. Step 3: Cross multiply
    589,620.20x = 882,389.10 × 353,132.60
  4. Step 4: Simplify right side
    589,620.20x = 311,600,357,094.66
  5. Step 5: Solve for x
    x = 311,600,357,094.66/589,620.20
  6. Step 6: Final answer
    x = 528,476.39

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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.