Home / 932,116.60-1,397,138.10-511,694.20

Finding the Fourth Proportional to 932,116.60, 1,397,138.10 and 511,694.20

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Solution

The fourth proportional to 932,116.60, 1,397,138.10 and 511,694.20 is: 766,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,116.60 : 1,397,138.10 = 511,694.20 : x
  2. Step 2: Convert to fraction form
    932,116.60/1,397,138.10 = 511,694.20/x
  3. Step 3: Cross multiply
    932,116.60x = 1,397,138.10 × 511,694.20
  4. Step 4: Simplify right side
    932,116.60x = 714,907,462,369.02
  5. Step 5: Solve for x
    x = 714,907,462,369.02/932,116.60
  6. Step 6: Final answer
    x = 766,972.14

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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.