Home / 1,275,837.54-1,913,406.39-476,853.54

Finding the Fourth Proportional to 1,275,837.54, 1,913,406.39 and 476,853.54

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Solution

The fourth proportional to 1,275,837.54, 1,913,406.39 and 476,853.54 is: 715,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,837.54 : 1,913,406.39 = 476,853.54 : x
  2. Step 2: Convert to fraction form
    1,275,837.54/1,913,406.39 = 476,853.54/x
  3. Step 3: Cross multiply
    1,275,837.54x = 1,913,406.39 × 476,853.54
  4. Step 4: Simplify right side
    1,275,837.54x = 912,414,610,530.12
  5. Step 5: Solve for x
    x = 912,414,610,530.12/1,275,837.54
  6. Step 6: Final answer
    x = 715,149.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.