Home / 941,106.48-1,298,734.80-511,386.60

Finding the Fourth Proportional to 941,106.48, 1,298,734.80 and 511,386.60

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Solution

The fourth proportional to 941,106.48, 1,298,734.80 and 511,386.60 is: 705,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,106.48 : 1,298,734.80 = 511,386.60 : x
  2. Step 2: Convert to fraction form
    941,106.48/1,298,734.80 = 511,386.60/x
  3. Step 3: Cross multiply
    941,106.48x = 1,298,734.80 × 511,386.60
  4. Step 4: Simplify right side
    941,106.48x = 664,155,573,673.68
  5. Step 5: Solve for x
    x = 664,155,573,673.68/941,106.48
  6. Step 6: Final answer
    x = 705,717.78

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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.