Home / 838,778.85-1,256,924.07-616,074.21

Finding the Fourth Proportional to 838,778.85, 1,256,924.07 and 616,074.21

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Solution

The fourth proportional to 838,778.85, 1,256,924.07 and 616,074.21 is: 923,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,778.85 : 1,256,924.07 = 616,074.21 : x
  2. Step 2: Convert to fraction form
    838,778.85/1,256,924.07 = 616,074.21/x
  3. Step 3: Cross multiply
    838,778.85x = 1,256,924.07 × 616,074.21
  4. Step 4: Simplify right side
    838,778.85x = 774,358,503,455.24
  5. Step 5: Solve for x
    x = 774,358,503,455.24/838,778.85
  6. Step 6: Final answer
    x = 923,197.46

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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.