Home / 1,525,530.91-2,105,093.49-905,229.19

Finding the Fourth Proportional to 1,525,530.91, 2,105,093.49 and 905,229.19

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Solution

The fourth proportional to 1,525,530.91, 2,105,093.49 and 905,229.19 is: 1,249,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,530.91 : 2,105,093.49 = 905,229.19 : x
  2. Step 2: Convert to fraction form
    1,525,530.91/2,105,093.49 = 905,229.19/x
  3. Step 3: Cross multiply
    1,525,530.91x = 2,105,093.49 × 905,229.19
  4. Step 4: Simplify right side
    1,525,530.91x = 1,905,592,074,826.97
  5. Step 5: Solve for x
    x = 1,905,592,074,826.97/1,525,530.91
  6. Step 6: Final answer
    x = 1,249,133.70

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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.