Home / 1,174,358.52-1,620,560.52-665,064.54

Finding the Fourth Proportional to 1,174,358.52, 1,620,560.52 and 665,064.54

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Solution

The fourth proportional to 1,174,358.52, 1,620,560.52 and 665,064.54 is: 917,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,358.52 : 1,620,560.52 = 665,064.54 : x
  2. Step 2: Convert to fraction form
    1,174,358.52/1,620,560.52 = 665,064.54/x
  3. Step 3: Cross multiply
    1,174,358.52x = 1,620,560.52 × 665,064.54
  4. Step 4: Simplify right side
    1,174,358.52x = 1,077,777,336,775.96
  5. Step 5: Solve for x
    x = 1,077,777,336,775.96/1,174,358.52
  6. Step 6: Final answer
    x = 917,758.35

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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.