Home / 624,200.10-936,300.15-519,137.70

Finding the Fourth Proportional to 624,200.10, 936,300.15 and 519,137.70

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Solution

The fourth proportional to 624,200.10, 936,300.15 and 519,137.70 is: 778,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,200.10 : 936,300.15 = 519,137.70 : x
  2. Step 2: Convert to fraction form
    624,200.10/936,300.15 = 519,137.70/x
  3. Step 3: Cross multiply
    624,200.10x = 936,300.15 × 519,137.70
  4. Step 4: Simplify right side
    624,200.10x = 486,068,706,380.66
  5. Step 5: Solve for x
    x = 486,068,706,380.66/624,200.10
  6. Step 6: Final answer
    x = 778,706.55

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Double scale
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Similar ratio
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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.