Home / 806,577.04-1,113,101.49-439,078.73

Finding the Fourth Proportional to 806,577.04, 1,113,101.49 and 439,078.73

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Solution

The fourth proportional to 806,577.04, 1,113,101.49 and 439,078.73 is: 605,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,577.04 : 1,113,101.49 = 439,078.73 : x
  2. Step 2: Convert to fraction form
    806,577.04/1,113,101.49 = 439,078.73/x
  3. Step 3: Cross multiply
    806,577.04x = 1,113,101.49 × 439,078.73
  4. Step 4: Simplify right side
    806,577.04x = 488,739,184,671.35
  5. Step 5: Solve for x
    x = 488,739,184,671.35/806,577.04
  6. Step 6: Final answer
    x = 605,942.35

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Double scale
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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.