Home / 1,456,438-2,185,025.64-405,814

Finding the Fourth Proportional to 1,456,438, 2,185,025.64 and 405,814

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Solution

The fourth proportional to 1,456,438, 2,185,025.64 and 405,814 is: 608,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,438 : 2,185,025.64 = 405,814 : x
  2. Step 2: Convert to fraction form
    1,456,438/2,185,025.64 = 405,814/x
  3. Step 3: Cross multiply
    1,456,438x = 2,185,025.64 × 405,814
  4. Step 4: Simplify right side
    1,456,438x = 886,713,995,070.96
  5. Step 5: Solve for x
    x = 886,713,995,070.96/1,456,438
  6. Step 6: Final answer
    x = 608,823.72

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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.