Home / 837,962.20-1,156,388.10-455,980.76

Finding the Fourth Proportional to 837,962.20, 1,156,388.10 and 455,980.76

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Solution

The fourth proportional to 837,962.20, 1,156,388.10 and 455,980.76 is: 629,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,962.20 : 1,156,388.10 = 455,980.76 : x
  2. Step 2: Convert to fraction form
    837,962.20/1,156,388.10 = 455,980.76/x
  3. Step 3: Cross multiply
    837,962.20x = 1,156,388.10 × 455,980.76
  4. Step 4: Simplify right side
    837,962.20x = 527,290,724,692.96
  5. Step 5: Solve for x
    x = 527,290,724,692.96/837,962.20
  6. Step 6: Final answer
    x = 629,253.59

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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.