Home / 695,725.20-1,043,587.80-222,458.40

Finding the Fourth Proportional to 695,725.20, 1,043,587.80 and 222,458.40

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Solution

The fourth proportional to 695,725.20, 1,043,587.80 and 222,458.40 is: 333,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,725.20 : 1,043,587.80 = 222,458.40 : x
  2. Step 2: Convert to fraction form
    695,725.20/1,043,587.80 = 222,458.40/x
  3. Step 3: Cross multiply
    695,725.20x = 1,043,587.80 × 222,458.40
  4. Step 4: Simplify right side
    695,725.20x = 232,154,872,247.52
  5. Step 5: Solve for x
    x = 232,154,872,247.52/695,725.20
  6. Step 6: Final answer
    x = 333,687.60

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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.