Home / 838,005.60-1,156,458.48-456,042.72

Finding the Fourth Proportional to 838,005.60, 1,156,458.48 and 456,042.72

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Solution

The fourth proportional to 838,005.60, 1,156,458.48 and 456,042.72 is: 629,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,005.60 : 1,156,458.48 = 456,042.72 : x
  2. Step 2: Convert to fraction form
    838,005.60/1,156,458.48 = 456,042.72/x
  3. Step 3: Cross multiply
    838,005.60x = 1,156,458.48 × 456,042.72
  4. Step 4: Simplify right side
    838,005.60x = 527,394,470,786.27
  5. Step 5: Solve for x
    x = 527,394,470,786.27/838,005.60
  6. Step 6: Final answer
    x = 629,344.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.