Home / 837,920.25-1,156,320.23-455,940.45

Finding the Fourth Proportional to 837,920.25, 1,156,320.23 and 455,940.45

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Solution

The fourth proportional to 837,920.25, 1,156,320.23 and 455,940.45 is: 629,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,920.25 : 1,156,320.23 = 455,940.45 : x
  2. Step 2: Convert to fraction form
    837,920.25/1,156,320.23 = 455,940.45/x
  3. Step 3: Cross multiply
    837,920.25x = 1,156,320.23 × 455,940.45
  4. Step 4: Simplify right side
    837,920.25x = 527,213,163,730.60
  5. Step 5: Solve for x
    x = 527,213,163,730.60/837,920.25
  6. Step 6: Final answer
    x = 629,192.53

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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.