Home / 1,317,458.52-1,818,113.40-773,606.34

Finding the Fourth Proportional to 1,317,458.52, 1,818,113.40 and 773,606.34

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Solution

The fourth proportional to 1,317,458.52, 1,818,113.40 and 773,606.34 is: 1,067,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,458.52 : 1,818,113.40 = 773,606.34 : x
  2. Step 2: Convert to fraction form
    1,317,458.52/1,818,113.40 = 773,606.34/x
  3. Step 3: Cross multiply
    1,317,458.52x = 1,818,113.40 × 773,606.34
  4. Step 4: Simplify right side
    1,317,458.52x = 1,406,504,053,078.96
  5. Step 5: Solve for x
    x = 1,406,504,053,078.96/1,317,458.52
  6. Step 6: Final answer
    x = 1,067,588.87

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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.