Home / 1,430,486.46-2,145,731.51-365,529.54

Finding the Fourth Proportional to 1,430,486.46, 2,145,731.51 and 365,529.54

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Solution

The fourth proportional to 1,430,486.46, 2,145,731.51 and 365,529.54 is: 548,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,486.46 : 2,145,731.51 = 365,529.54 : x
  2. Step 2: Convert to fraction form
    1,430,486.46/2,145,731.51 = 365,529.54/x
  3. Step 3: Cross multiply
    1,430,486.46x = 2,145,731.51 × 365,529.54
  4. Step 4: Simplify right side
    1,430,486.46x = 784,328,260,774.12
  5. Step 5: Solve for x
    x = 784,328,260,774.12/1,430,486.46
  6. Step 6: Final answer
    x = 548,294.78

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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.