Home / 812,088.54-1,120,656.92-467,925.18

Finding the Fourth Proportional to 812,088.54, 1,120,656.92 and 467,925.18

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Solution

The fourth proportional to 812,088.54, 1,120,656.92 and 467,925.18 is: 645,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,088.54 : 1,120,656.92 = 467,925.18 : x
  2. Step 2: Convert to fraction form
    812,088.54/1,120,656.92 = 467,925.18/x
  3. Step 3: Cross multiply
    812,088.54x = 1,120,656.92 × 467,925.18
  4. Step 4: Simplify right side
    812,088.54x = 524,383,591,009.25
  5. Step 5: Solve for x
    x = 524,383,591,009.25/812,088.54
  6. Step 6: Final answer
    x = 645,722.19

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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.