Home / 607,520.20-911,936.40-341,799.70

Finding the Fourth Proportional to 607,520.20, 911,936.40 and 341,799.70

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Solution

The fourth proportional to 607,520.20, 911,936.40 and 341,799.70 is: 513,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,520.20 : 911,936.40 = 341,799.70 : x
  2. Step 2: Convert to fraction form
    607,520.20/911,936.40 = 341,799.70/x
  3. Step 3: Cross multiply
    607,520.20x = 911,936.40 × 341,799.70
  4. Step 4: Simplify right side
    607,520.20x = 311,699,587,939.08
  5. Step 5: Solve for x
    x = 311,699,587,939.08/607,520.20
  6. Step 6: Final answer
    x = 513,068.68

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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.