Home / 1,719,561.45-2,579,342.13-771,825

Finding the Fourth Proportional to 1,719,561.45, 2,579,342.13 and 771,825

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Solution

The fourth proportional to 1,719,561.45, 2,579,342.13 and 771,825 is: 1,157,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,561.45 : 2,579,342.13 = 771,825 : x
  2. Step 2: Convert to fraction form
    1,719,561.45/2,579,342.13 = 771,825/x
  3. Step 3: Cross multiply
    1,719,561.45x = 2,579,342.13 × 771,825
  4. Step 4: Simplify right side
    1,719,561.45x = 1,990,800,739,487.25
  5. Step 5: Solve for x
    x = 1,990,800,739,487.25/1,719,561.45
  6. Step 6: Final answer
    x = 1,157,737.48

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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.