Home / 1,479,669.87-2,219,569.40-468,866.31

Finding the Fourth Proportional to 1,479,669.87, 2,219,569.40 and 468,866.31

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Solution

The fourth proportional to 1,479,669.87, 2,219,569.40 and 468,866.31 is: 703,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,669.87 : 2,219,569.40 = 468,866.31 : x
  2. Step 2: Convert to fraction form
    1,479,669.87/2,219,569.40 = 468,866.31/x
  3. Step 3: Cross multiply
    1,479,669.87x = 2,219,569.40 × 468,866.31
  4. Step 4: Simplify right side
    1,479,669.87x = 1,040,681,312,022.58
  5. Step 5: Solve for x
    x = 1,040,681,312,022.58/1,479,669.87
  6. Step 6: Final answer
    x = 703,319.93

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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.