Home / 492,680.10-738,145.35-461,187.30

Finding the Fourth Proportional to 492,680.10, 738,145.35 and 461,187.30

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Solution

The fourth proportional to 492,680.10, 738,145.35 and 461,187.30 is: 690,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,680.10 : 738,145.35 = 461,187.30 : x
  2. Step 2: Convert to fraction form
    492,680.10/738,145.35 = 461,187.30/x
  3. Step 3: Cross multiply
    492,680.10x = 738,145.35 × 461,187.30
  4. Step 4: Simplify right side
    492,680.10x = 340,423,260,974.06
  5. Step 5: Solve for x
    x = 340,423,260,974.06/492,680.10
  6. Step 6: Final answer
    x = 690,962.07

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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.