Home / 1,332,689.46-1,999,032.57-434,129.73

Finding the Fourth Proportional to 1,332,689.46, 1,999,032.57 and 434,129.73

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Solution

The fourth proportional to 1,332,689.46, 1,999,032.57 and 434,129.73 is: 651,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,689.46 : 1,999,032.57 = 434,129.73 : x
  2. Step 2: Convert to fraction form
    1,332,689.46/1,999,032.57 = 434,129.73/x
  3. Step 3: Cross multiply
    1,332,689.46x = 1,999,032.57 × 434,129.73
  4. Step 4: Simplify right side
    1,332,689.46x = 867,839,469,875.31
  5. Step 5: Solve for x
    x = 867,839,469,875.31/1,332,689.46
  6. Step 6: Final answer
    x = 651,194.07

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1.5x scale

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.