Home / 672,213.40-1,008,320.10-570,736.60

Finding the Fourth Proportional to 672,213.40, 1,008,320.10 and 570,736.60

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Solution

The fourth proportional to 672,213.40, 1,008,320.10 and 570,736.60 is: 856,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,213.40 : 1,008,320.10 = 570,736.60 : x
  2. Step 2: Convert to fraction form
    672,213.40/1,008,320.10 = 570,736.60/x
  3. Step 3: Cross multiply
    672,213.40x = 1,008,320.10 × 570,736.60
  4. Step 4: Simplify right side
    672,213.40x = 575,485,185,585.66
  5. Step 5: Solve for x
    x = 575,485,185,585.66/672,213.40
  6. Step 6: Final answer
    x = 856,104.90

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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.