Home / 1,905,131.52-2,857,726.44-485,214.48

Finding the Fourth Proportional to 1,905,131.52, 2,857,726.44 and 485,214.48

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Solution

The fourth proportional to 1,905,131.52, 2,857,726.44 and 485,214.48 is: 727,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,131.52 : 2,857,726.44 = 485,214.48 : x
  2. Step 2: Convert to fraction form
    1,905,131.52/2,857,726.44 = 485,214.48/x
  3. Step 3: Cross multiply
    1,905,131.52x = 2,857,726.44 × 485,214.48
  4. Step 4: Simplify right side
    1,905,131.52x = 1,386,610,248,566.85
  5. Step 5: Solve for x
    x = 1,386,610,248,566.85/1,905,131.52
  6. Step 6: Final answer
    x = 727,829.15

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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.