Home / 1,221,919.86-1,832,893.23-368,998.74

Finding the Fourth Proportional to 1,221,919.86, 1,832,893.23 and 368,998.74

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Solution

The fourth proportional to 1,221,919.86, 1,832,893.23 and 368,998.74 is: 553,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,919.86 : 1,832,893.23 = 368,998.74 : x
  2. Step 2: Convert to fraction form
    1,221,919.86/1,832,893.23 = 368,998.74/x
  3. Step 3: Cross multiply
    1,221,919.86x = 1,832,893.23 × 368,998.74
  4. Step 4: Simplify right side
    1,221,919.86x = 676,335,292,424.53
  5. Step 5: Solve for x
    x = 676,335,292,424.53/1,221,919.86
  6. Step 6: Final answer
    x = 553,502.17

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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.