Home / 1,840,515.60-2,760,921-642,411.38

Finding the Fourth Proportional to 1,840,515.60, 2,760,921 and 642,411.38

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Solution

The fourth proportional to 1,840,515.60, 2,760,921 and 642,411.38 is: 963,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,515.60 : 2,760,921 = 642,411.38 : x
  2. Step 2: Convert to fraction form
    1,840,515.60/2,760,921 = 642,411.38/x
  3. Step 3: Cross multiply
    1,840,515.60x = 2,760,921 × 642,411.38
  4. Step 4: Simplify right side
    1,840,515.60x = 1,773,647,069,680.98
  5. Step 5: Solve for x
    x = 1,773,647,069,680.98/1,840,515.60
  6. Step 6: Final answer
    x = 963,668.59

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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.