Home / 1,317,314.71-1,816,891.29-1,133,865.51

Finding the Fourth Proportional to 1,317,314.71, 1,816,891.29 and 1,133,865.51

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Solution

The fourth proportional to 1,317,314.71, 1,816,891.29 and 1,133,865.51 is: 1,563,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,314.71 : 1,816,891.29 = 1,133,865.51 : x
  2. Step 2: Convert to fraction form
    1,317,314.71/1,816,891.29 = 1,133,865.51/x
  3. Step 3: Cross multiply
    1,317,314.71x = 1,816,891.29 × 1,133,865.51
  4. Step 4: Simplify right side
    1,317,314.71x = 2,060,110,363,481.08
  5. Step 5: Solve for x
    x = 2,060,110,363,481.08/1,317,314.71
  6. Step 6: Final answer
    x = 1,563,871.07

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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.