Home / 1,704,561.84-2,556,178.29-639,022.50

Finding the Fourth Proportional to 1,704,561.84, 2,556,178.29 and 639,022.50

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Solution

The fourth proportional to 1,704,561.84, 2,556,178.29 and 639,022.50 is: 958,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,561.84 : 2,556,178.29 = 639,022.50 : x
  2. Step 2: Convert to fraction form
    1,704,561.84/2,556,178.29 = 639,022.50/x
  3. Step 3: Cross multiply
    1,704,561.84x = 2,556,178.29 × 639,022.50
  4. Step 4: Simplify right side
    1,704,561.84x = 1,633,455,441,321.53
  5. Step 5: Solve for x
    x = 1,633,455,441,321.53/1,704,561.84
  6. Step 6: Final answer
    x = 958,284.65

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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.