Home / 698,205.22-963,552.98-392,282.20

Finding the Fourth Proportional to 698,205.22, 963,552.98 and 392,282.20

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Solution

The fourth proportional to 698,205.22, 963,552.98 and 392,282.20 is: 541,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,205.22 : 963,552.98 = 392,282.20 : x
  2. Step 2: Convert to fraction form
    698,205.22/963,552.98 = 392,282.20/x
  3. Step 3: Cross multiply
    698,205.22x = 963,552.98 × 392,282.20
  4. Step 4: Simplify right side
    698,205.22x = 377,984,682,810.96
  5. Step 5: Solve for x
    x = 377,984,682,810.96/698,205.22
  6. Step 6: Final answer
    x = 541,366.17

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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.