Home / 698,720.33-964,113.91-392,754.26

Finding the Fourth Proportional to 698,720.33, 964,113.91 and 392,754.26

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Solution

The fourth proportional to 698,720.33, 964,113.91 and 392,754.26 is: 541,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,720.33 : 964,113.91 = 392,754.26 : x
  2. Step 2: Convert to fraction form
    698,720.33/964,113.91 = 392,754.26/x
  3. Step 3: Cross multiply
    698,720.33x = 964,113.91 × 392,754.26
  4. Step 4: Simplify right side
    698,720.33x = 378,659,845,277.76
  5. Step 5: Solve for x
    x = 378,659,845,277.76/698,720.33
  6. Step 6: Final answer
    x = 541,933.34

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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.