Home / 1,431,627.77-1,975,528.77-842,833.73

Finding the Fourth Proportional to 1,431,627.77, 1,975,528.77 and 842,833.73

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Solution

The fourth proportional to 1,431,627.77, 1,975,528.77 and 842,833.73 is: 1,163,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,627.77 : 1,975,528.77 = 842,833.73 : x
  2. Step 2: Convert to fraction form
    1,431,627.77/1,975,528.77 = 842,833.73/x
  3. Step 3: Cross multiply
    1,431,627.77x = 1,975,528.77 × 842,833.73
  4. Step 4: Simplify right side
    1,431,627.77x = 1,665,042,272,063.77
  5. Step 5: Solve for x
    x = 1,665,042,272,063.77/1,431,627.77
  6. Step 6: Final answer
    x = 1,163,041.34

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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.