Home / 1,114,654.80-1,538,354.94-661,945.80

Finding the Fourth Proportional to 1,114,654.80, 1,538,354.94 and 661,945.80

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Solution

The fourth proportional to 1,114,654.80, 1,538,354.94 and 661,945.80 is: 913,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,654.80 : 1,538,354.94 = 661,945.80 : x
  2. Step 2: Convert to fraction form
    1,114,654.80/1,538,354.94 = 661,945.80/x
  3. Step 3: Cross multiply
    1,114,654.80x = 1,538,354.94 × 661,945.80
  4. Step 4: Simplify right side
    1,114,654.80x = 1,018,307,591,442.25
  5. Step 5: Solve for x
    x = 1,018,307,591,442.25/1,114,654.80
  6. Step 6: Final answer
    x = 913,563.19

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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.