Home / 1,365,627.85-1,884,285.11-784,738.78

Finding the Fourth Proportional to 1,365,627.85, 1,884,285.11 and 784,738.78

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Solution

The fourth proportional to 1,365,627.85, 1,884,285.11 and 784,738.78 is: 1,082,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,627.85 : 1,884,285.11 = 784,738.78 : x
  2. Step 2: Convert to fraction form
    1,365,627.85/1,884,285.11 = 784,738.78/x
  3. Step 3: Cross multiply
    1,365,627.85x = 1,884,285.11 × 784,738.78
  4. Step 4: Simplify right side
    1,365,627.85x = 1,478,671,595,644.70
  5. Step 5: Solve for x
    x = 1,478,671,595,644.70/1,365,627.85
  6. Step 6: Final answer
    x = 1,082,777.86

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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.