Home / 1,127,435.29-1,555,924.28-668,821.39

Finding the Fourth Proportional to 1,127,435.29, 1,555,924.28 and 668,821.39

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Solution

The fourth proportional to 1,127,435.29, 1,555,924.28 and 668,821.39 is: 923,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,435.29 : 1,555,924.28 = 668,821.39 : x
  2. Step 2: Convert to fraction form
    1,127,435.29/1,555,924.28 = 668,821.39/x
  3. Step 3: Cross multiply
    1,127,435.29x = 1,555,924.28 × 668,821.39
  4. Step 4: Simplify right side
    1,127,435.29x = 1,040,635,432,450.43
  5. Step 5: Solve for x
    x = 1,040,635,432,450.43/1,127,435.29
  6. Step 6: Final answer
    x = 923,011.23

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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.