Home / 1,221,920.62-1,832,894.37-368,999.51

Finding the Fourth Proportional to 1,221,920.62, 1,832,894.37 and 368,999.51

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Solution

The fourth proportional to 1,221,920.62, 1,832,894.37 and 368,999.51 is: 553,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,920.62 : 1,832,894.37 = 368,999.51 : x
  2. Step 2: Convert to fraction form
    1,221,920.62/1,832,894.37 = 368,999.51/x
  3. Step 3: Cross multiply
    1,221,920.62x = 1,832,894.37 × 368,999.51
  4. Step 4: Simplify right side
    1,221,920.62x = 676,337,115,247.29
  5. Step 5: Solve for x
    x = 676,337,115,247.29/1,221,920.62
  6. Step 6: Final answer
    x = 553,503.32

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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.