Home / 1,224,912.54-1,833,775.85-858,905.02

Finding the Fourth Proportional to 1,224,912.54, 1,833,775.85 and 858,905.02

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Solution

The fourth proportional to 1,224,912.54, 1,833,775.85 and 858,905.02 is: 1,285,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,912.54 : 1,833,775.85 = 858,905.02 : x
  2. Step 2: Convert to fraction form
    1,224,912.54/1,833,775.85 = 858,905.02/x
  3. Step 3: Cross multiply
    1,224,912.54x = 1,833,775.85 × 858,905.02
  4. Step 4: Simplify right side
    1,224,912.54x = 1,575,039,277,461.70
  5. Step 5: Solve for x
    x = 1,575,039,277,461.70/1,224,912.54
  6. Step 6: Final answer
    x = 1,285,838.15

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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.