Home / 371,839.40-514,133.70-324,600.20

Finding the Fourth Proportional to 371,839.40, 514,133.70 and 324,600.20

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Solution

The fourth proportional to 371,839.40, 514,133.70 and 324,600.20 is: 448,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,839.40 : 514,133.70 = 324,600.20 : x
  2. Step 2: Convert to fraction form
    371,839.40/514,133.70 = 324,600.20/x
  3. Step 3: Cross multiply
    371,839.40x = 514,133.70 × 324,600.20
  4. Step 4: Simplify right side
    371,839.40x = 166,887,901,846.74
  5. Step 5: Solve for x
    x = 166,887,901,846.74/371,839.40
  6. Step 6: Final answer
    x = 448,817.16

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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.