Home / 894,858.57-1,234,921.19-492,441.93

Finding the Fourth Proportional to 894,858.57, 1,234,921.19 and 492,441.93

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Solution

The fourth proportional to 894,858.57, 1,234,921.19 and 492,441.93 is: 679,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,858.57 : 1,234,921.19 = 492,441.93 : x
  2. Step 2: Convert to fraction form
    894,858.57/1,234,921.19 = 492,441.93/x
  3. Step 3: Cross multiply
    894,858.57x = 1,234,921.19 × 492,441.93
  4. Step 4: Simplify right side
    894,858.57x = 608,126,971,739.29
  5. Step 5: Solve for x
    x = 608,126,971,739.29/894,858.57
  6. Step 6: Final answer
    x = 679,578.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.