Home / 1,478,861.19-2,218,069.77-467,851.78

Finding the Fourth Proportional to 1,478,861.19, 2,218,069.77 and 467,851.78

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Solution

The fourth proportional to 1,478,861.19, 2,218,069.77 and 467,851.78 is: 701,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,861.19 : 2,218,069.77 = 467,851.78 : x
  2. Step 2: Convert to fraction form
    1,478,861.19/2,218,069.77 = 467,851.78/x
  3. Step 3: Cross multiply
    1,478,861.19x = 2,218,069.77 × 467,851.78
  4. Step 4: Simplify right side
    1,478,861.19x = 1,037,727,886,267.96
  5. Step 5: Solve for x
    x = 1,037,727,886,267.96/1,478,861.19
  6. Step 6: Final answer
    x = 701,707.43

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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.