Home / 941,217.76-1,298,888.63-511,497.78

Finding the Fourth Proportional to 941,217.76, 1,298,888.63 and 511,497.78

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Solution

The fourth proportional to 941,217.76, 1,298,888.63 and 511,497.78 is: 705,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,217.76 : 1,298,888.63 = 511,497.78 : x
  2. Step 2: Convert to fraction form
    941,217.76/1,298,888.63 = 511,497.78/x
  3. Step 3: Cross multiply
    941,217.76x = 1,298,888.63 × 511,497.78
  4. Step 4: Simplify right side
    941,217.76x = 664,378,650,712.24
  5. Step 5: Solve for x
    x = 664,378,650,712.24/941,217.76
  6. Step 6: Final answer
    x = 705,871.35

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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.