Home / 837,715.60-1,257,298.92-438,635.44

Finding the Fourth Proportional to 837,715.60, 1,257,298.92 and 438,635.44

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Solution

The fourth proportional to 837,715.60, 1,257,298.92 and 438,635.44 is: 658,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,715.60 : 1,257,298.92 = 438,635.44 : x
  2. Step 2: Convert to fraction form
    837,715.60/1,257,298.92 = 438,635.44/x
  3. Step 3: Cross multiply
    837,715.60x = 1,257,298.92 × 438,635.44
  4. Step 4: Simplify right side
    837,715.60x = 551,495,864,985.73
  5. Step 5: Solve for x
    x = 551,495,864,985.73/837,715.60
  6. Step 6: Final answer
    x = 658,333.05

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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.