Home / 698,192.20-963,201.54-439,912.36

Finding the Fourth Proportional to 698,192.20, 963,201.54 and 439,912.36

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Solution

The fourth proportional to 698,192.20, 963,201.54 and 439,912.36 is: 606,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,192.20 : 963,201.54 = 439,912.36 : x
  2. Step 2: Convert to fraction form
    698,192.20/963,201.54 = 439,912.36/x
  3. Step 3: Cross multiply
    698,192.20x = 963,201.54 × 439,912.36
  4. Step 4: Simplify right side
    698,192.20x = 423,724,262,617.03
  5. Step 5: Solve for x
    x = 423,724,262,617.03/698,192.20
  6. Step 6: Final answer
    x = 606,887.71

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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.