Home / 648,961.19-972,374.27-222,261.71

Finding the Fourth Proportional to 648,961.19, 972,374.27 and 222,261.71

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Solution

The fourth proportional to 648,961.19, 972,374.27 and 222,261.71 is: 333,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,961.19 : 972,374.27 = 222,261.71 : x
  2. Step 2: Convert to fraction form
    648,961.19/972,374.27 = 222,261.71/x
  3. Step 3: Cross multiply
    648,961.19x = 972,374.27 × 222,261.71
  4. Step 4: Simplify right side
    648,961.19x = 216,121,566,898.89
  5. Step 5: Solve for x
    x = 216,121,566,898.89/648,961.19
  6. Step 6: Final answer
    x = 333,026.95

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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.