Home / 1,431,628.93-2,147,331.77-832,207.77

Finding the Fourth Proportional to 1,431,628.93, 2,147,331.77 and 832,207.77

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Solution

The fourth proportional to 1,431,628.93, 2,147,331.77 and 832,207.77 is: 1,248,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,628.93 : 2,147,331.77 = 832,207.77 : x
  2. Step 2: Convert to fraction form
    1,431,628.93/2,147,331.77 = 832,207.77/x
  3. Step 3: Cross multiply
    1,431,628.93x = 2,147,331.77 × 832,207.77
  4. Step 4: Simplify right side
    1,431,628.93x = 1,787,026,182,721.59
  5. Step 5: Solve for x
    x = 1,787,026,182,721.59/1,431,628.93
  6. Step 6: Final answer
    x = 1,248,246.77

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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.