Home / 1,173,421.26-1,619,043.79-664,123.63

Finding the Fourth Proportional to 1,173,421.26, 1,619,043.79 and 664,123.63

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Solution

The fourth proportional to 1,173,421.26, 1,619,043.79 and 664,123.63 is: 916,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,421.26 : 1,619,043.79 = 664,123.63 : x
  2. Step 2: Convert to fraction form
    1,173,421.26/1,619,043.79 = 664,123.63/x
  3. Step 3: Cross multiply
    1,173,421.26x = 1,619,043.79 × 664,123.63
  4. Step 4: Simplify right side
    1,173,421.26x = 1,075,245,238,943.76
  5. Step 5: Solve for x
    x = 1,075,245,238,943.76/1,173,421.26
  6. Step 6: Final answer
    x = 916,333.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.