Home / 456,650.15-684,961.08-216,936.60

Finding the Fourth Proportional to 456,650.15, 684,961.08 and 216,936.60

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Solution

The fourth proportional to 456,650.15, 684,961.08 and 216,936.60 is: 325,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,650.15 : 684,961.08 = 216,936.60 : x
  2. Step 2: Convert to fraction form
    456,650.15/684,961.08 = 216,936.60/x
  3. Step 3: Cross multiply
    456,650.15x = 684,961.08 × 216,936.60
  4. Step 4: Simplify right side
    456,650.15x = 148,593,127,827.53
  5. Step 5: Solve for x
    x = 148,593,127,827.53/456,650.15
  6. Step 6: Final answer
    x = 325,398.18

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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.