Home / 451,066.41-622,235.43-278,929.46

Finding the Fourth Proportional to 451,066.41, 622,235.43 and 278,929.46

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Solution

The fourth proportional to 451,066.41, 622,235.43 and 278,929.46 is: 384,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,066.41 : 622,235.43 = 278,929.46 : x
  2. Step 2: Convert to fraction form
    451,066.41/622,235.43 = 278,929.46/x
  3. Step 3: Cross multiply
    451,066.41x = 622,235.43 × 278,929.46
  4. Step 4: Simplify right side
    451,066.41x = 173,559,792,482.77
  5. Step 5: Solve for x
    x = 173,559,792,482.77/451,066.41
  6. Step 6: Final answer
    x = 384,776.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.