Home / 1,332,727.71-1,999,089.13-434,168.39

Finding the Fourth Proportional to 1,332,727.71, 1,999,089.13 and 434,168.39

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Solution

The fourth proportional to 1,332,727.71, 1,999,089.13 and 434,168.39 is: 651,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,727.71 : 1,999,089.13 = 434,168.39 : x
  2. Step 2: Convert to fraction form
    1,332,727.71/1,999,089.13 = 434,168.39/x
  3. Step 3: Cross multiply
    1,332,727.71x = 1,999,089.13 × 434,168.39
  4. Step 4: Simplify right side
    1,332,727.71x = 867,941,309,038.60
  5. Step 5: Solve for x
    x = 867,941,309,038.60/1,332,727.71
  6. Step 6: Final answer
    x = 651,251.79

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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.