Home / 1,332,700.70-1,999,049.42-434,140.97

Finding the Fourth Proportional to 1,332,700.70, 1,999,049.42 and 434,140.97

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Solution

The fourth proportional to 1,332,700.70, 1,999,049.42 and 434,140.97 is: 651,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,700.70 : 1,999,049.42 = 434,140.97 : x
  2. Step 2: Convert to fraction form
    1,332,700.70/1,999,049.42 = 434,140.97/x
  3. Step 3: Cross multiply
    1,332,700.70x = 1,999,049.42 × 434,140.97
  4. Step 4: Simplify right side
    1,332,700.70x = 867,869,245,366.84
  5. Step 5: Solve for x
    x = 867,869,245,366.84/1,332,700.70
  6. Step 6: Final answer
    x = 651,210.92

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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.