Home / 867,493.73-1,197,178.76-480,309.15

Finding the Fourth Proportional to 867,493.73, 1,197,178.76 and 480,309.15

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Solution

The fourth proportional to 867,493.73, 1,197,178.76 and 480,309.15 is: 662,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,493.73 : 1,197,178.76 = 480,309.15 : x
  2. Step 2: Convert to fraction form
    867,493.73/1,197,178.76 = 480,309.15/x
  3. Step 3: Cross multiply
    867,493.73x = 1,197,178.76 × 480,309.15
  4. Step 4: Simplify right side
    867,493.73x = 575,015,904,226.22
  5. Step 5: Solve for x
    x = 575,015,904,226.22/867,493.73
  6. Step 6: Final answer
    x = 662,847.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.