Home / 1,332,675.56-1,999,011.78-434,115.86

Finding the Fourth Proportional to 1,332,675.56, 1,999,011.78 and 434,115.86

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Solution

The fourth proportional to 1,332,675.56, 1,999,011.78 and 434,115.86 is: 651,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,675.56 : 1,999,011.78 = 434,115.86 : x
  2. Step 2: Convert to fraction form
    1,332,675.56/1,999,011.78 = 434,115.86/x
  3. Step 3: Cross multiply
    1,332,675.56x = 1,999,011.78 × 434,115.86
  4. Step 4: Simplify right side
    1,332,675.56x = 867,802,709,250.72
  5. Step 5: Solve for x
    x = 867,802,709,250.72/1,332,675.56
  6. Step 6: Final answer
    x = 651,173.28

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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.