Home / 941,131.61-1,298,760.64-511,410.72

Finding the Fourth Proportional to 941,131.61, 1,298,760.64 and 511,410.72

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Solution

The fourth proportional to 941,131.61, 1,298,760.64 and 511,410.72 is: 705,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,131.61 : 1,298,760.64 = 511,410.72 : x
  2. Step 2: Convert to fraction form
    941,131.61/1,298,760.64 = 511,410.72/x
  3. Step 3: Cross multiply
    941,131.61x = 1,298,760.64 × 511,410.72
  4. Step 4: Simplify right side
    941,131.61x = 664,200,106,237.73
  5. Step 5: Solve for x
    x = 664,200,106,237.73/941,131.61
  6. Step 6: Final answer
    x = 705,746.25

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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.