Home / 492,332.80-738,499.20-176,821.60

Finding the Fourth Proportional to 492,332.80, 738,499.20 and 176,821.60

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Solution

The fourth proportional to 492,332.80, 738,499.20 and 176,821.60 is: 265,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,332.80 : 738,499.20 = 176,821.60 : x
  2. Step 2: Convert to fraction form
    492,332.80/738,499.20 = 176,821.60/x
  3. Step 3: Cross multiply
    492,332.80x = 738,499.20 × 176,821.60
  4. Step 4: Simplify right side
    492,332.80x = 130,582,610,142.72
  5. Step 5: Solve for x
    x = 130,582,610,142.72/492,332.80
  6. Step 6: Final answer
    x = 265,232.40

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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.