Home / 1,768,959.12-2,441,229.48-1,005,142.16

Finding the Fourth Proportional to 1,768,959.12, 2,441,229.48 and 1,005,142.16

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Solution

The fourth proportional to 1,768,959.12, 2,441,229.48 and 1,005,142.16 is: 1,387,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,959.12 : 2,441,229.48 = 1,005,142.16 : x
  2. Step 2: Convert to fraction form
    1,768,959.12/2,441,229.48 = 1,005,142.16/x
  3. Step 3: Cross multiply
    1,768,959.12x = 2,441,229.48 × 1,005,142.16
  4. Step 4: Simplify right side
    1,768,959.12x = 2,453,782,672,582.88
  5. Step 5: Solve for x
    x = 2,453,782,672,582.88/1,768,959.12
  6. Step 6: Final answer
    x = 1,387,133.62

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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.