Home / 1,869,400.86-2,804,101.30-449,457

Finding the Fourth Proportional to 1,869,400.86, 2,804,101.30 and 449,457

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Solution

The fourth proportional to 1,869,400.86, 2,804,101.30 and 449,457 is: 674,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,400.86 : 2,804,101.30 = 449,457 : x
  2. Step 2: Convert to fraction form
    1,869,400.86/2,804,101.30 = 449,457/x
  3. Step 3: Cross multiply
    1,869,400.86x = 2,804,101.30 × 449,457
  4. Step 4: Simplify right side
    1,869,400.86x = 1,260,322,957,994.10
  5. Step 5: Solve for x
    x = 1,260,322,957,994.10/1,869,400.86
  6. Step 6: Final answer
    x = 674,185.50

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Double scale
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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.