Home / 712,698.83-982,736.25-454,166.27

Finding the Fourth Proportional to 712,698.83, 982,736.25 and 454,166.27

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Solution

The fourth proportional to 712,698.83, 982,736.25 and 454,166.27 is: 626,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,698.83 : 982,736.25 = 454,166.27 : x
  2. Step 2: Convert to fraction form
    712,698.83/982,736.25 = 454,166.27/x
  3. Step 3: Cross multiply
    712,698.83x = 982,736.25 × 454,166.27
  4. Step 4: Simplify right side
    712,698.83x = 446,325,652,142.61
  5. Step 5: Solve for x
    x = 446,325,652,142.61/712,698.83
  6. Step 6: Final answer
    x = 626,247.21

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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.