Home / 1,055,546.05-1,582,719.22-415,503.11

Finding the Fourth Proportional to 1,055,546.05, 1,582,719.22 and 415,503.11

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Solution

The fourth proportional to 1,055,546.05, 1,582,719.22 and 415,503.11 is: 623,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,546.05 : 1,582,719.22 = 415,503.11 : x
  2. Step 2: Convert to fraction form
    1,055,546.05/1,582,719.22 = 415,503.11/x
  3. Step 3: Cross multiply
    1,055,546.05x = 1,582,719.22 × 415,503.11
  4. Step 4: Simplify right side
    1,055,546.05x = 657,624,750,345.85
  5. Step 5: Solve for x
    x = 657,624,750,345.85/1,055,546.05
  6. Step 6: Final answer
    x = 623,018.53

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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.