Home / 786,440.84-1,179,469.53-217,807.16

Finding the Fourth Proportional to 786,440.84, 1,179,469.53 and 217,807.16

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Solution

The fourth proportional to 786,440.84, 1,179,469.53 and 217,807.16 is: 326,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,440.84 : 1,179,469.53 = 217,807.16 : x
  2. Step 2: Convert to fraction form
    786,440.84/1,179,469.53 = 217,807.16/x
  3. Step 3: Cross multiply
    786,440.84x = 1,179,469.53 × 217,807.16
  4. Step 4: Simplify right side
    786,440.84x = 256,896,902,738.49
  5. Step 5: Solve for x
    x = 256,896,902,738.49/786,440.84
  6. Step 6: Final answer
    x = 326,657.63

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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.