Home / 698,910.10-1,049,349.30-433,189.60

Finding the Fourth Proportional to 698,910.10, 1,049,349.30 and 433,189.60

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Solution

The fourth proportional to 698,910.10, 1,049,349.30 and 433,189.60 is: 650,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,910.10 : 1,049,349.30 = 433,189.60 : x
  2. Step 2: Convert to fraction form
    698,910.10/1,049,349.30 = 433,189.60/x
  3. Step 3: Cross multiply
    698,910.10x = 1,049,349.30 × 433,189.60
  4. Step 4: Simplify right side
    698,910.10x = 454,567,203,527.28
  5. Step 5: Solve for x
    x = 454,567,203,527.28/698,910.10
  6. Step 6: Final answer
    x = 650,394.38

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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.