Home / 901,999.68-1,243,900.89-539,365.92

Finding the Fourth Proportional to 901,999.68, 1,243,900.89 and 539,365.92

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Solution

The fourth proportional to 901,999.68, 1,243,900.89 and 539,365.92 is: 743,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,999.68 : 1,243,900.89 = 539,365.92 : x
  2. Step 2: Convert to fraction form
    901,999.68/1,243,900.89 = 539,365.92/x
  3. Step 3: Cross multiply
    901,999.68x = 1,243,900.89 × 539,365.92
  4. Step 4: Simplify right side
    901,999.68x = 670,917,747,923.67
  5. Step 5: Solve for x
    x = 670,917,747,923.67/901,999.68
  6. Step 6: Final answer
    x = 743,811.51

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1.5x scale

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.