Home / 941,330.90-1,299,028.86-511,613.66

Finding the Fourth Proportional to 941,330.90, 1,299,028.86 and 511,613.66

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Solution

The fourth proportional to 941,330.90, 1,299,028.86 and 511,613.66 is: 706,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,330.90 : 1,299,028.86 = 511,613.66 : x
  2. Step 2: Convert to fraction form
    941,330.90/1,299,028.86 = 511,613.66/x
  3. Step 3: Cross multiply
    941,330.90x = 1,299,028.86 × 511,613.66
  4. Step 4: Simplify right side
    941,330.90x = 664,600,903,015.08
  5. Step 5: Solve for x
    x = 664,600,903,015.08/941,330.90
  6. Step 6: Final answer
    x = 706,022.62

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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.