Home / 700,109.64-1,050,348.08-220,317.48

Finding the Fourth Proportional to 700,109.64, 1,050,348.08 and 220,317.48

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Solution

The fourth proportional to 700,109.64, 1,050,348.08 and 220,317.48 is: 330,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,109.64 : 1,050,348.08 = 220,317.48 : x
  2. Step 2: Convert to fraction form
    700,109.64/1,050,348.08 = 220,317.48/x
  3. Step 3: Cross multiply
    700,109.64x = 1,050,348.08 × 220,317.48
  4. Step 4: Simplify right side
    700,109.64x = 231,410,042,108.44
  5. Step 5: Solve for x
    x = 231,410,042,108.44/700,109.64
  6. Step 6: Final answer
    x = 330,534.00

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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.