Home / 443,210.40-664,621.20-176,882.40

Finding the Fourth Proportional to 443,210.40, 664,621.20 and 176,882.40

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Solution

The fourth proportional to 443,210.40, 664,621.20 and 176,882.40 is: 265,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,210.40 : 664,621.20 = 176,882.40 : x
  2. Step 2: Convert to fraction form
    443,210.40/664,621.20 = 176,882.40/x
  3. Step 3: Cross multiply
    443,210.40x = 664,621.20 × 176,882.40
  4. Step 4: Simplify right side
    443,210.40x = 117,559,792,946.88
  5. Step 5: Solve for x
    x = 117,559,792,946.88/443,210.40
  6. Step 6: Final answer
    x = 265,246.02

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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.