Home / 1,414,557.18-2,121,855.21-403,678.71

Finding the Fourth Proportional to 1,414,557.18, 2,121,855.21 and 403,678.71

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Solution

The fourth proportional to 1,414,557.18, 2,121,855.21 and 403,678.71 is: 605,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,557.18 : 2,121,855.21 = 403,678.71 : x
  2. Step 2: Convert to fraction form
    1,414,557.18/2,121,855.21 = 403,678.71/x
  3. Step 3: Cross multiply
    1,414,557.18x = 2,121,855.21 × 403,678.71
  4. Step 4: Simplify right side
    1,414,557.18x = 856,547,773,979.58
  5. Step 5: Solve for x
    x = 856,547,773,979.58/1,414,557.18
  6. Step 6: Final answer
    x = 605,523.61

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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.