Home / 683,119.90-1,025,335.95-346,540.60

Finding the Fourth Proportional to 683,119.90, 1,025,335.95 and 346,540.60

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Solution

The fourth proportional to 683,119.90, 1,025,335.95 and 346,540.60 is: 520,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,119.90 : 1,025,335.95 = 346,540.60 : x
  2. Step 2: Convert to fraction form
    683,119.90/1,025,335.95 = 346,540.60/x
  3. Step 3: Cross multiply
    683,119.90x = 1,025,335.95 × 346,540.60
  4. Step 4: Simplify right side
    683,119.90x = 355,320,535,314.57
  5. Step 5: Solve for x
    x = 355,320,535,314.57/683,119.90
  6. Step 6: Final answer
    x = 520,143.73

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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.