Home / 1,867,431.36-2,800,913.28-519,695.04

Finding the Fourth Proportional to 1,867,431.36, 2,800,913.28 and 519,695.04

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Solution

The fourth proportional to 1,867,431.36, 2,800,913.28 and 519,695.04 is: 779,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,431.36 : 2,800,913.28 = 519,695.04 : x
  2. Step 2: Convert to fraction form
    1,867,431.36/2,800,913.28 = 519,695.04/x
  3. Step 3: Cross multiply
    1,867,431.36x = 2,800,913.28 × 519,695.04
  4. Step 4: Simplify right side
    1,867,431.36x = 1,455,620,739,086.13
  5. Step 5: Solve for x
    x = 1,455,620,739,086.13/1,867,431.36
  6. Step 6: Final answer
    x = 779,477.51

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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.