Home / 941,031.92-1,298,629.32-511,315.58

Finding the Fourth Proportional to 941,031.92, 1,298,629.32 and 511,315.58

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Solution

The fourth proportional to 941,031.92, 1,298,629.32 and 511,315.58 is: 705,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,031.92 : 1,298,629.32 = 511,315.58 : x
  2. Step 2: Convert to fraction form
    941,031.92/1,298,629.32 = 511,315.58/x
  3. Step 3: Cross multiply
    941,031.92x = 1,298,629.32 × 511,315.58
  4. Step 4: Simplify right side
    941,031.92x = 664,009,403,960.81
  5. Step 5: Solve for x
    x = 664,009,403,960.81/941,031.92
  6. Step 6: Final answer
    x = 705,618.36

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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.