Home / 1,183,657.60-1,775,486.40-520,105.60

Finding the Fourth Proportional to 1,183,657.60, 1,775,486.40 and 520,105.60

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Solution

The fourth proportional to 1,183,657.60, 1,775,486.40 and 520,105.60 is: 780,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,657.60 : 1,775,486.40 = 520,105.60 : x
  2. Step 2: Convert to fraction form
    1,183,657.60/1,775,486.40 = 520,105.60/x
  3. Step 3: Cross multiply
    1,183,657.60x = 1,775,486.40 × 520,105.60
  4. Step 4: Simplify right side
    1,183,657.60x = 923,440,419,363.84
  5. Step 5: Solve for x
    x = 923,440,419,363.84/1,183,657.60
  6. Step 6: Final answer
    x = 780,158.40

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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.