Home / 918,171.60-1,377,257.40-634,736.40

Finding the Fourth Proportional to 918,171.60, 1,377,257.40 and 634,736.40

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Solution

The fourth proportional to 918,171.60, 1,377,257.40 and 634,736.40 is: 952,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,171.60 : 1,377,257.40 = 634,736.40 : x
  2. Step 2: Convert to fraction form
    918,171.60/1,377,257.40 = 634,736.40/x
  3. Step 3: Cross multiply
    918,171.60x = 1,377,257.40 × 634,736.40
  4. Step 4: Simplify right side
    918,171.60x = 874,195,403,949.36
  5. Step 5: Solve for x
    x = 874,195,403,949.36/918,171.60
  6. Step 6: Final answer
    x = 952,104.60

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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.