Home / 682,439.41-942,068.36-440,839.76

Finding the Fourth Proportional to 682,439.41, 942,068.36 and 440,839.76

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Solution

The fourth proportional to 682,439.41, 942,068.36 and 440,839.76 is: 608,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,439.41 : 942,068.36 = 440,839.76 : x
  2. Step 2: Convert to fraction form
    682,439.41/942,068.36 = 440,839.76/x
  3. Step 3: Cross multiply
    682,439.41x = 942,068.36 × 440,839.76
  4. Step 4: Simplify right side
    682,439.41x = 415,301,187,521.80
  5. Step 5: Solve for x
    x = 415,301,187,521.80/682,439.41
  6. Step 6: Final answer
    x = 608,553.94

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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.