Home / 1,639,423.08-2,262,399.39-914,271.57

Finding the Fourth Proportional to 1,639,423.08, 2,262,399.39 and 914,271.57

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Solution

The fourth proportional to 1,639,423.08, 2,262,399.39 and 914,271.57 is: 1,261,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,423.08 : 2,262,399.39 = 914,271.57 : x
  2. Step 2: Convert to fraction form
    1,639,423.08/2,262,399.39 = 914,271.57/x
  3. Step 3: Cross multiply
    1,639,423.08x = 2,262,399.39 × 914,271.57
  4. Step 4: Simplify right side
    1,639,423.08x = 2,068,447,442,262.34
  5. Step 5: Solve for x
    x = 2,068,447,442,262.34/1,639,423.08
  6. Step 6: Final answer
    x = 1,261,692.28

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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.