Home / 589,631.20-882,405.60-353,143.60

Finding the Fourth Proportional to 589,631.20, 882,405.60 and 353,143.60

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Solution

The fourth proportional to 589,631.20, 882,405.60 and 353,143.60 is: 528,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,631.20 : 882,405.60 = 353,143.60 : x
  2. Step 2: Convert to fraction form
    589,631.20/882,405.60 = 353,143.60/x
  3. Step 3: Cross multiply
    589,631.20x = 882,405.60 × 353,143.60
  4. Step 4: Simplify right side
    589,631.20x = 311,615,890,244.16
  5. Step 5: Solve for x
    x = 311,615,890,244.16/589,631.20
  6. Step 6: Final answer
    x = 528,492.88

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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.