Home / 1,152,004.68-1,589,767.44-642,707.16

Finding the Fourth Proportional to 1,152,004.68, 1,589,767.44 and 642,707.16

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Solution

The fourth proportional to 1,152,004.68, 1,589,767.44 and 642,707.16 is: 886,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,004.68 : 1,589,767.44 = 642,707.16 : x
  2. Step 2: Convert to fraction form
    1,152,004.68/1,589,767.44 = 642,707.16/x
  3. Step 3: Cross multiply
    1,152,004.68x = 1,589,767.44 × 642,707.16
  4. Step 4: Simplify right side
    1,152,004.68x = 1,021,754,916,422.87
  5. Step 5: Solve for x
    x = 1,021,754,916,422.87/1,152,004.68
  6. Step 6: Final answer
    x = 886,936.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.