Home / 917,557.80-1,376,336.70-634,122.60

Finding the Fourth Proportional to 917,557.80, 1,376,336.70 and 634,122.60

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Solution

The fourth proportional to 917,557.80, 1,376,336.70 and 634,122.60 is: 951,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,557.80 : 1,376,336.70 = 634,122.60 : x
  2. Step 2: Convert to fraction form
    917,557.80/1,376,336.70 = 634,122.60/x
  3. Step 3: Cross multiply
    917,557.80x = 1,376,336.70 × 634,122.60
  4. Step 4: Simplify right side
    917,557.80x = 872,766,206,679.42
  5. Step 5: Solve for x
    x = 872,766,206,679.42/917,557.80
  6. Step 6: Final answer
    x = 951,183.90

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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.