Home / 935,914.80-1,404,131.40-620,986.80

Finding the Fourth Proportional to 935,914.80, 1,404,131.40 and 620,986.80

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Solution

The fourth proportional to 935,914.80, 1,404,131.40 and 620,986.80 is: 931,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,914.80 : 1,404,131.40 = 620,986.80 : x
  2. Step 2: Convert to fraction form
    935,914.80/1,404,131.40 = 620,986.80/x
  3. Step 3: Cross multiply
    935,914.80x = 1,404,131.40 × 620,986.80
  4. Step 4: Simplify right side
    935,914.80x = 871,947,064,865.52
  5. Step 5: Solve for x
    x = 871,947,064,865.52/935,914.80
  6. Step 6: Final answer
    x = 931,652.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.