Home / 935,350.20-1,403,438.40-455,311.80

Finding the Fourth Proportional to 935,350.20, 1,403,438.40 and 455,311.80

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Solution

The fourth proportional to 935,350.20, 1,403,438.40 and 455,311.80 is: 683,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,350.20 : 1,403,438.40 = 455,311.80 : x
  2. Step 2: Convert to fraction form
    935,350.20/1,403,438.40 = 455,311.80/x
  3. Step 3: Cross multiply
    935,350.20x = 1,403,438.40 × 455,311.80
  4. Step 4: Simplify right side
    935,350.20x = 639,002,064,093.12
  5. Step 5: Solve for x
    x = 639,002,064,093.12/935,350.20
  6. Step 6: Final answer
    x = 683,168.79

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1.5x scale

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.