Home / 434,543.70-651,815.55-247,919.70

Finding the Fourth Proportional to 434,543.70, 651,815.55 and 247,919.70

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Solution

The fourth proportional to 434,543.70, 651,815.55 and 247,919.70 is: 371,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,543.70 : 651,815.55 = 247,919.70 : x
  2. Step 2: Convert to fraction form
    434,543.70/651,815.55 = 247,919.70/x
  3. Step 3: Cross multiply
    434,543.70x = 651,815.55 × 247,919.70
  4. Step 4: Simplify right side
    434,543.70x = 161,597,915,611.34
  5. Step 5: Solve for x
    x = 161,597,915,611.34/434,543.70
  6. Step 6: Final answer
    x = 371,879.55

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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.