Home / 812,359.56-1,121,073.63-444,852.20

Finding the Fourth Proportional to 812,359.56, 1,121,073.63 and 444,852.20

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Solution

The fourth proportional to 812,359.56, 1,121,073.63 and 444,852.20 is: 613,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,359.56 : 1,121,073.63 = 444,852.20 : x
  2. Step 2: Convert to fraction form
    812,359.56/1,121,073.63 = 444,852.20/x
  3. Step 3: Cross multiply
    812,359.56x = 1,121,073.63 × 444,852.20
  4. Step 4: Simplify right side
    812,359.56x = 498,712,072,427.57
  5. Step 5: Solve for x
    x = 498,712,072,427.57/812,359.56
  6. Step 6: Final answer
    x = 613,905.59

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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.