Home / 1,181,560.66-1,772,712.78-422,884.89

Finding the Fourth Proportional to 1,181,560.66, 1,772,712.78 and 422,884.89

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Solution

The fourth proportional to 1,181,560.66, 1,772,712.78 and 422,884.89 is: 634,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,560.66 : 1,772,712.78 = 422,884.89 : x
  2. Step 2: Convert to fraction form
    1,181,560.66/1,772,712.78 = 422,884.89/x
  3. Step 3: Cross multiply
    1,181,560.66x = 1,772,712.78 × 422,884.89
  4. Step 4: Simplify right side
    1,181,560.66x = 749,653,447,386.08
  5. Step 5: Solve for x
    x = 749,653,447,386.08/1,181,560.66
  6. Step 6: Final answer
    x = 634,460.40

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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.