Home / 1,406,016.72-1,940,496.24-862,056.36

Finding the Fourth Proportional to 1,406,016.72, 1,940,496.24 and 862,056.36

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Solution

The fourth proportional to 1,406,016.72, 1,940,496.24 and 862,056.36 is: 1,189,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,016.72 : 1,940,496.24 = 862,056.36 : x
  2. Step 2: Convert to fraction form
    1,406,016.72/1,940,496.24 = 862,056.36/x
  3. Step 3: Cross multiply
    1,406,016.72x = 1,940,496.24 × 862,056.36
  4. Step 4: Simplify right side
    1,406,016.72x = 1,672,817,125,248.09
  5. Step 5: Solve for x
    x = 1,672,817,125,248.09/1,406,016.72
  6. Step 6: Final answer
    x = 1,189,756.21

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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.