Home / 1,270,392.05-1,905,186.52-417,323.54

Finding the Fourth Proportional to 1,270,392.05, 1,905,186.52 and 417,323.54

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Solution

The fourth proportional to 1,270,392.05, 1,905,186.52 and 417,323.54 is: 625,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,392.05 : 1,905,186.52 = 417,323.54 : x
  2. Step 2: Convert to fraction form
    1,270,392.05/1,905,186.52 = 417,323.54/x
  3. Step 3: Cross multiply
    1,270,392.05x = 1,905,186.52 × 417,323.54
  4. Step 4: Simplify right side
    1,270,392.05x = 795,079,188,171.30
  5. Step 5: Solve for x
    x = 795,079,188,171.30/1,270,392.05
  6. Step 6: Final answer
    x = 625,853.40

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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.