Home / 835,503.45-1,253,782.22-355,730.97

Finding the Fourth Proportional to 835,503.45, 1,253,782.22 and 355,730.97

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Solution

The fourth proportional to 835,503.45, 1,253,782.22 and 355,730.97 is: 533,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,503.45 : 1,253,782.22 = 355,730.97 : x
  2. Step 2: Convert to fraction form
    835,503.45/1,253,782.22 = 355,730.97/x
  3. Step 3: Cross multiply
    835,503.45x = 1,253,782.22 × 355,730.97
  4. Step 4: Simplify right side
    835,503.45x = 446,009,163,510.70
  5. Step 5: Solve for x
    x = 446,009,163,510.70/835,503.45
  6. Step 6: Final answer
    x = 533,820.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.