Home / 886,919.90-1,330,552.65-354,350.30

Finding the Fourth Proportional to 886,919.90, 1,330,552.65 and 354,350.30

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Solution

The fourth proportional to 886,919.90, 1,330,552.65 and 354,350.30 is: 531,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,919.90 : 1,330,552.65 = 354,350.30 : x
  2. Step 2: Convert to fraction form
    886,919.90/1,330,552.65 = 354,350.30/x
  3. Step 3: Cross multiply
    886,919.90x = 1,330,552.65 × 354,350.30
  4. Step 4: Simplify right side
    886,919.90x = 471,481,730,693.30
  5. Step 5: Solve for x
    x = 471,481,730,693.30/886,919.90
  6. Step 6: Final answer
    x = 531,594.49

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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.