Home / 1,865,471.82-2,797,894.71-517,771.35

Finding the Fourth Proportional to 1,865,471.82, 2,797,894.71 and 517,771.35

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Solution

The fourth proportional to 1,865,471.82, 2,797,894.71 and 517,771.35 is: 776,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,471.82 : 2,797,894.71 = 517,771.35 : x
  2. Step 2: Convert to fraction form
    1,865,471.82/2,797,894.71 = 517,771.35/x
  3. Step 3: Cross multiply
    1,865,471.82x = 2,797,894.71 × 517,771.35
  4. Step 4: Simplify right side
    1,865,471.82x = 1,448,669,721,154.56
  5. Step 5: Solve for x
    x = 1,448,669,721,154.56/1,865,471.82
  6. Step 6: Final answer
    x = 776,570.14

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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.