Home / 703,340.40-1,054,888.20-197,781.32

Finding the Fourth Proportional to 703,340.40, 1,054,888.20 and 197,781.32

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Solution

The fourth proportional to 703,340.40, 1,054,888.20 and 197,781.32 is: 296,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,340.40 : 1,054,888.20 = 197,781.32 : x
  2. Step 2: Convert to fraction form
    703,340.40/1,054,888.20 = 197,781.32/x
  3. Step 3: Cross multiply
    703,340.40x = 1,054,888.20 × 197,781.32
  4. Step 4: Simplify right side
    703,340.40x = 208,637,180,648.42
  5. Step 5: Solve for x
    x = 208,637,180,648.42/703,340.40
  6. Step 6: Final answer
    x = 296,637.56

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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.