Home / 1,306,921.64-1,803,340.26-816,833.36

Finding the Fourth Proportional to 1,306,921.64, 1,803,340.26 and 816,833.36

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Solution

The fourth proportional to 1,306,921.64, 1,803,340.26 and 816,833.36 is: 1,127,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,921.64 : 1,803,340.26 = 816,833.36 : x
  2. Step 2: Convert to fraction form
    1,306,921.64/1,803,340.26 = 816,833.36/x
  3. Step 3: Cross multiply
    1,306,921.64x = 1,803,340.26 × 816,833.36
  4. Step 4: Simplify right side
    1,306,921.64x = 1,473,028,488,307.42
  5. Step 5: Solve for x
    x = 1,473,028,488,307.42/1,306,921.64
  6. Step 6: Final answer
    x = 1,127,097.79

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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.