Home / 598,721.70-827,316.73-426,340.39

Finding the Fourth Proportional to 598,721.70, 827,316.73 and 426,340.39

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Solution

The fourth proportional to 598,721.70, 827,316.73 and 426,340.39 is: 589,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,721.70 : 827,316.73 = 426,340.39 : x
  2. Step 2: Convert to fraction form
    598,721.70/827,316.73 = 426,340.39/x
  3. Step 3: Cross multiply
    598,721.70x = 827,316.73 × 426,340.39
  4. Step 4: Simplify right side
    598,721.70x = 352,718,535,190.02
  5. Step 5: Solve for x
    x = 352,718,535,190.02/598,721.70
  6. Step 6: Final answer
    x = 589,119.34

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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.