Home / 941,489.63-1,299,256.55-511,769.75

Finding the Fourth Proportional to 941,489.63, 1,299,256.55 and 511,769.75

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Solution

The fourth proportional to 941,489.63, 1,299,256.55 and 511,769.75 is: 706,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,489.63 : 1,299,256.55 = 511,769.75 : x
  2. Step 2: Convert to fraction form
    941,489.63/1,299,256.55 = 511,769.75/x
  3. Step 3: Cross multiply
    941,489.63x = 1,299,256.55 × 511,769.75
  4. Step 4: Simplify right side
    941,489.63x = 664,920,195,522.07
  5. Step 5: Solve for x
    x = 664,920,195,522.07/941,489.63
  6. Step 6: Final answer
    x = 706,242.72

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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.