Home / 1,332,907.91-1,999,156.52-434,347.37

Finding the Fourth Proportional to 1,332,907.91, 1,999,156.52 and 434,347.37

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Solution

The fourth proportional to 1,332,907.91, 1,999,156.52 and 434,347.37 is: 651,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,907.91 : 1,999,156.52 = 434,347.37 : x
  2. Step 2: Convert to fraction form
    1,332,907.91/1,999,156.52 = 434,347.37/x
  3. Step 3: Cross multiply
    1,332,907.91x = 1,999,156.52 × 434,347.37
  4. Step 4: Simplify right side
    1,332,907.91x = 868,328,367,770.44
  5. Step 5: Solve for x
    x = 868,328,367,770.44/1,332,907.91
  6. Step 6: Final answer
    x = 651,454.14

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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.