Home / 941,172.40-1,298,816.90-511,451.60

Finding the Fourth Proportional to 941,172.40, 1,298,816.90 and 511,451.60

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Solution

The fourth proportional to 941,172.40, 1,298,816.90 and 511,451.60 is: 705,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,172.40 : 1,298,816.90 = 511,451.60 : x
  2. Step 2: Convert to fraction form
    941,172.40/1,298,816.90 = 511,451.60/x
  3. Step 3: Cross multiply
    941,172.40x = 1,298,816.90 × 511,451.60
  4. Step 4: Simplify right side
    941,172.40x = 664,281,981,612.04
  5. Step 5: Solve for x
    x = 664,281,981,612.04/941,172.40
  6. Step 6: Final answer
    x = 705,802.66

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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.