Home / 1,127,436.29-1,555,925.66-668,822.39

Finding the Fourth Proportional to 1,127,436.29, 1,555,925.66 and 668,822.39

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Solution

The fourth proportional to 1,127,436.29, 1,555,925.66 and 668,822.39 is: 923,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,436.29 : 1,555,925.66 = 668,822.39 : x
  2. Step 2: Convert to fraction form
    1,127,436.29/1,555,925.66 = 668,822.39/x
  3. Step 3: Cross multiply
    1,127,436.29x = 1,555,925.66 × 668,822.39
  4. Step 4: Simplify right side
    1,127,436.29x = 1,040,637,918,583.53
  5. Step 5: Solve for x
    x = 1,040,637,918,583.53/1,127,436.29
  6. Step 6: Final answer
    x = 923,012.62

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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.