Home / 935,359.70-1,403,452.65-455,321.30

Finding the Fourth Proportional to 935,359.70, 1,403,452.65 and 455,321.30

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Solution

The fourth proportional to 935,359.70, 1,403,452.65 and 455,321.30 is: 683,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,359.70 : 1,403,452.65 = 455,321.30 : x
  2. Step 2: Convert to fraction form
    935,359.70/1,403,452.65 = 455,321.30/x
  3. Step 3: Cross multiply
    935,359.70x = 1,403,452.65 × 455,321.30
  4. Step 4: Simplify right side
    935,359.70x = 639,021,885,086.45
  5. Step 5: Solve for x
    x = 639,021,885,086.45/935,359.70
  6. Step 6: Final answer
    x = 683,183.04

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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.