Home / 935,449.20-1,403,586.90-455,410.80

Finding the Fourth Proportional to 935,449.20, 1,403,586.90 and 455,410.80

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Solution

The fourth proportional to 935,449.20, 1,403,586.90 and 455,410.80 is: 683,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,449.20 : 1,403,586.90 = 455,410.80 : x
  2. Step 2: Convert to fraction form
    935,449.20/1,403,586.90 = 455,410.80/x
  3. Step 3: Cross multiply
    935,449.20x = 1,403,586.90 × 455,410.80
  4. Step 4: Simplify right side
    935,449.20x = 639,208,632,998.52
  5. Step 5: Solve for x
    x = 639,208,632,998.52/935,449.20
  6. Step 6: Final answer
    x = 683,317.31

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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.