Home / 1,879,807.07-2,819,765.27-459,862.69

Finding the Fourth Proportional to 1,879,807.07, 2,819,765.27 and 459,862.69

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Solution

The fourth proportional to 1,879,807.07, 2,819,765.27 and 459,862.69 is: 689,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,807.07 : 2,819,765.27 = 459,862.69 : x
  2. Step 2: Convert to fraction form
    1,879,807.07/2,819,765.27 = 459,862.69/x
  3. Step 3: Cross multiply
    1,879,807.07x = 2,819,765.27 × 459,862.69
  4. Step 4: Simplify right side
    1,879,807.07x = 1,296,704,836,331.02
  5. Step 5: Solve for x
    x = 1,296,704,836,331.02/1,879,807.07
  6. Step 6: Final answer
    x = 689,807.41

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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.