Home / 874,701.54-1,207,082.82-492,851.34

Finding the Fourth Proportional to 874,701.54, 1,207,082.82 and 492,851.34

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Solution

The fourth proportional to 874,701.54, 1,207,082.82 and 492,851.34 is: 680,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,701.54 : 1,207,082.82 = 492,851.34 : x
  2. Step 2: Convert to fraction form
    874,701.54/1,207,082.82 = 492,851.34/x
  3. Step 3: Cross multiply
    874,701.54x = 1,207,082.82 × 492,851.34
  4. Step 4: Simplify right side
    874,701.54x = 594,912,385,327.98
  5. Step 5: Solve for x
    x = 594,912,385,327.98/874,701.54
  6. Step 6: Final answer
    x = 680,131.86

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Double scale
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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.