Home / 1,372,056.61-1,892,371.92-936,824.04

Finding the Fourth Proportional to 1,372,056.61, 1,892,371.92 and 936,824.04

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Solution

The fourth proportional to 1,372,056.61, 1,892,371.92 and 936,824.04 is: 1,292,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,056.61 : 1,892,371.92 = 936,824.04 : x
  2. Step 2: Convert to fraction form
    1,372,056.61/1,892,371.92 = 936,824.04/x
  3. Step 3: Cross multiply
    1,372,056.61x = 1,892,371.92 × 936,824.04
  4. Step 4: Simplify right side
    1,372,056.61x = 1,772,819,507,276.96
  5. Step 5: Solve for x
    x = 1,772,819,507,276.96/1,372,056.61
  6. Step 6: Final answer
    x = 1,292,089.19

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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.