Home / 786,222.80-1,084,912.50-459,612.17

Finding the Fourth Proportional to 786,222.80, 1,084,912.50 and 459,612.17

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Solution

The fourth proportional to 786,222.80, 1,084,912.50 and 459,612.17 is: 634,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,222.80 : 1,084,912.50 = 459,612.17 : x
  2. Step 2: Convert to fraction form
    786,222.80/1,084,912.50 = 459,612.17/x
  3. Step 3: Cross multiply
    786,222.80x = 1,084,912.50 × 459,612.17
  4. Step 4: Simplify right side
    786,222.80x = 498,638,982,960.56
  5. Step 5: Solve for x
    x = 498,638,982,960.56/786,222.80
  6. Step 6: Final answer
    x = 634,220.97

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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.