Home / 1,270,525.32-1,905,383.34-417,398.94

Finding the Fourth Proportional to 1,270,525.32, 1,905,383.34 and 417,398.94

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Solution

The fourth proportional to 1,270,525.32, 1,905,383.34 and 417,398.94 is: 625,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,525.32 : 1,905,383.34 = 417,398.94 : x
  2. Step 2: Convert to fraction form
    1,270,525.32/1,905,383.34 = 417,398.94/x
  3. Step 3: Cross multiply
    1,270,525.32x = 1,905,383.34 × 417,398.94
  4. Step 4: Simplify right side
    1,270,525.32x = 795,304,986,409.66
  5. Step 5: Solve for x
    x = 795,304,986,409.66/1,270,525.32
  6. Step 6: Final answer
    x = 625,965.48

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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.