Home / 1,108,556.24-1,528,787.40-726,444.24

Finding the Fourth Proportional to 1,108,556.24, 1,528,787.40 and 726,444.24

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Solution

The fourth proportional to 1,108,556.24, 1,528,787.40 and 726,444.24 is: 1,001,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,556.24 : 1,528,787.40 = 726,444.24 : x
  2. Step 2: Convert to fraction form
    1,108,556.24/1,528,787.40 = 726,444.24/x
  3. Step 3: Cross multiply
    1,108,556.24x = 1,528,787.40 × 726,444.24
  4. Step 4: Simplify right side
    1,108,556.24x = 1,110,578,800,914.58
  5. Step 5: Solve for x
    x = 1,110,578,800,914.58/1,108,556.24
  6. Step 6: Final answer
    x = 1,001,824.50

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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.