Home / 1,720,043.80-2,579,409.60-521,567.80

Finding the Fourth Proportional to 1,720,043.80, 2,579,409.60 and 521,567.80

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Solution

The fourth proportional to 1,720,043.80, 2,579,409.60 and 521,567.80 is: 782,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,043.80 : 2,579,409.60 = 521,567.80 : x
  2. Step 2: Convert to fraction form
    1,720,043.80/2,579,409.60 = 521,567.80/x
  3. Step 3: Cross multiply
    1,720,043.80x = 2,579,409.60 × 521,567.80
  4. Step 4: Simplify right side
    1,720,043.80x = 1,345,336,990,370.88
  5. Step 5: Solve for x
    x = 1,345,336,990,370.88/1,720,043.80
  6. Step 6: Final answer
    x = 782,152.75

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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.