Home / 836,991.58-1,155,138.72-474,376.52

Finding the Fourth Proportional to 836,991.58, 1,155,138.72 and 474,376.52

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Solution

The fourth proportional to 836,991.58, 1,155,138.72 and 474,376.52 is: 654,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,991.58 : 1,155,138.72 = 474,376.52 : x
  2. Step 2: Convert to fraction form
    836,991.58/1,155,138.72 = 474,376.52/x
  3. Step 3: Cross multiply
    836,991.58x = 1,155,138.72 × 474,376.52
  4. Step 4: Simplify right side
    836,991.58x = 547,970,686,110.85
  5. Step 5: Solve for x
    x = 547,970,686,110.85/836,991.58
  6. Step 6: Final answer
    x = 654,690.80

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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.