Home / 456,466.20-684,116.10-331,661.40

Finding the Fourth Proportional to 456,466.20, 684,116.10 and 331,661.40

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Solution

The fourth proportional to 456,466.20, 684,116.10 and 331,661.40 is: 497,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,466.20 : 684,116.10 = 331,661.40 : x
  2. Step 2: Convert to fraction form
    456,466.20/684,116.10 = 331,661.40/x
  3. Step 3: Cross multiply
    456,466.20x = 684,116.10 × 331,661.40
  4. Step 4: Simplify right side
    456,466.20x = 226,894,903,488.54
  5. Step 5: Solve for x
    x = 226,894,903,488.54/456,466.20
  6. Step 6: Final answer
    x = 497,068.36

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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.