Home / 941,172.39-1,298,816.91-511,451.60

Finding the Fourth Proportional to 941,172.39, 1,298,816.91 and 511,451.60

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Solution

The fourth proportional to 941,172.39, 1,298,816.91 and 511,451.60 is: 705,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,172.39 : 1,298,816.91 = 511,451.60 : x
  2. Step 2: Convert to fraction form
    941,172.39/1,298,816.91 = 511,451.60/x
  3. Step 3: Cross multiply
    941,172.39x = 1,298,816.91 × 511,451.60
  4. Step 4: Simplify right side
    941,172.39x = 664,281,980,232.47
  5. Step 5: Solve for x
    x = 664,281,980,232.47/941,172.39
  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.