Home / 1,151,571.32-1,727,663.30-393,411.68

Finding the Fourth Proportional to 1,151,571.32, 1,727,663.30 and 393,411.68

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Solution

The fourth proportional to 1,151,571.32, 1,727,663.30 and 393,411.68 is: 590,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,571.32 : 1,727,663.30 = 393,411.68 : x
  2. Step 2: Convert to fraction form
    1,151,571.32/1,727,663.30 = 393,411.68/x
  3. Step 3: Cross multiply
    1,151,571.32x = 1,727,663.30 × 393,411.68
  4. Step 4: Simplify right side
    1,151,571.32x = 679,682,921,327.34
  5. Step 5: Solve for x
    x = 679,682,921,327.34/1,151,571.32
  6. Step 6: Final answer
    x = 590,222.17

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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.