Home / 837,919.50-1,156,319.19-455,939.70

Finding the Fourth Proportional to 837,919.50, 1,156,319.19 and 455,939.70

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Solution

The fourth proportional to 837,919.50, 1,156,319.19 and 455,939.70 is: 629,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,919.50 : 1,156,319.19 = 455,939.70 : x
  2. Step 2: Convert to fraction form
    837,919.50/1,156,319.19 = 455,939.70/x
  3. Step 3: Cross multiply
    837,919.50x = 1,156,319.19 × 455,939.70
  4. Step 4: Simplify right side
    837,919.50x = 527,211,824,592.84
  5. Step 5: Solve for x
    x = 527,211,824,592.84/837,919.50
  6. Step 6: Final answer
    x = 629,191.50

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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.