Home / 402,023.10-603,495.45-235,904.70

Finding the Fourth Proportional to 402,023.10, 603,495.45 and 235,904.70

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Solution

The fourth proportional to 402,023.10, 603,495.45 and 235,904.70 is: 354,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,023.10 : 603,495.45 = 235,904.70 : x
  2. Step 2: Convert to fraction form
    402,023.10/603,495.45 = 235,904.70/x
  3. Step 3: Cross multiply
    402,023.10x = 603,495.45 × 235,904.70
  4. Step 4: Simplify right side
    402,023.10x = 142,367,413,083.62
  5. Step 5: Solve for x
    x = 142,367,413,083.62/402,023.10
  6. Step 6: Final answer
    x = 354,127.44

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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.