Home / 1,528,216.29-2,106,830.79-1,219,167.54

Finding the Fourth Proportional to 1,528,216.29, 2,106,830.79 and 1,219,167.54

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Solution

The fourth proportional to 1,528,216.29, 2,106,830.79 and 1,219,167.54 is: 1,680,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,216.29 : 2,106,830.79 = 1,219,167.54 : x
  2. Step 2: Convert to fraction form
    1,528,216.29/2,106,830.79 = 1,219,167.54/x
  3. Step 3: Cross multiply
    1,528,216.29x = 2,106,830.79 × 1,219,167.54
  4. Step 4: Simplify right side
    1,528,216.29x = 2,568,579,711,440.56
  5. Step 5: Solve for x
    x = 2,568,579,711,440.56/1,528,216.29
  6. Step 6: Final answer
    x = 1,680,769.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.