Home / 1,419,164.80-1,957,572.77-1,011,398.65

Finding the Fourth Proportional to 1,419,164.80, 1,957,572.77 and 1,011,398.65

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Solution

The fourth proportional to 1,419,164.80, 1,957,572.77 and 1,011,398.65 is: 1,395,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,164.80 : 1,957,572.77 = 1,011,398.65 : x
  2. Step 2: Convert to fraction form
    1,419,164.80/1,957,572.77 = 1,011,398.65/x
  3. Step 3: Cross multiply
    1,419,164.80x = 1,957,572.77 × 1,011,398.65
  4. Step 4: Simplify right side
    1,419,164.80x = 1,979,886,457,915.18
  5. Step 5: Solve for x
    x = 1,979,886,457,915.18/1,419,164.80
  6. Step 6: Final answer
    x = 1,395,106.79

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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.