Home / 1,286,914.86-1,775,883.30-706,125.23

Finding the Fourth Proportional to 1,286,914.86, 1,775,883.30 and 706,125.23

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Solution

The fourth proportional to 1,286,914.86, 1,775,883.30 and 706,125.23 is: 974,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,914.86 : 1,775,883.30 = 706,125.23 : x
  2. Step 2: Convert to fraction form
    1,286,914.86/1,775,883.30 = 706,125.23/x
  3. Step 3: Cross multiply
    1,286,914.86x = 1,775,883.30 × 706,125.23
  4. Step 4: Simplify right side
    1,286,914.86x = 1,253,996,007,282.87
  5. Step 5: Solve for x
    x = 1,253,996,007,282.87/1,286,914.86
  6. Step 6: Final answer
    x = 974,420.33

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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.