Home / 789,821.64-1,088,820.18-563,073.48

Finding the Fourth Proportional to 789,821.64, 1,088,820.18 and 563,073.48

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Solution

The fourth proportional to 789,821.64, 1,088,820.18 and 563,073.48 is: 776,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,821.64 : 1,088,820.18 = 563,073.48 : x
  2. Step 2: Convert to fraction form
    789,821.64/1,088,820.18 = 563,073.48/x
  3. Step 3: Cross multiply
    789,821.64x = 1,088,820.18 × 563,073.48
  4. Step 4: Simplify right side
    789,821.64x = 613,085,767,846.83
  5. Step 5: Solve for x
    x = 613,085,767,846.83/789,821.64
  6. Step 6: Final answer
    x = 776,233.19

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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.