Home / 534,815.40-802,223.10-219,498.60

Finding the Fourth Proportional to 534,815.40, 802,223.10 and 219,498.60

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Solution

The fourth proportional to 534,815.40, 802,223.10 and 219,498.60 is: 329,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,815.40 : 802,223.10 = 219,498.60 : x
  2. Step 2: Convert to fraction form
    534,815.40/802,223.10 = 219,498.60/x
  3. Step 3: Cross multiply
    534,815.40x = 802,223.10 × 219,498.60
  4. Step 4: Simplify right side
    534,815.40x = 176,086,847,337.66
  5. Step 5: Solve for x
    x = 176,086,847,337.66/534,815.40
  6. Step 6: Final answer
    x = 329,247.90

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1.5x scale

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.