Home / 935,928.55-1,404,152.03-621,000.55

Finding the Fourth Proportional to 935,928.55, 1,404,152.03 and 621,000.55

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Solution

The fourth proportional to 935,928.55, 1,404,152.03 and 621,000.55 is: 931,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,928.55 : 1,404,152.03 = 621,000.55 : x
  2. Step 2: Convert to fraction form
    935,928.55/1,404,152.03 = 621,000.55/x
  3. Step 3: Cross multiply
    935,928.55x = 1,404,152.03 × 621,000.55
  4. Step 4: Simplify right side
    935,928.55x = 871,979,179,808.61
  5. Step 5: Solve for x
    x = 871,979,179,808.61/935,928.55
  6. Step 6: Final answer
    x = 931,672.81

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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.