Home / 789,836.38-1,088,840.55-563,088.22

Finding the Fourth Proportional to 789,836.38, 1,088,840.55 and 563,088.22

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Solution

The fourth proportional to 789,836.38, 1,088,840.55 and 563,088.22 is: 776,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,836.38 : 1,088,840.55 = 563,088.22 : x
  2. Step 2: Convert to fraction form
    789,836.38/1,088,840.55 = 563,088.22/x
  3. Step 3: Cross multiply
    789,836.38x = 1,088,840.55 × 563,088.22
  4. Step 4: Simplify right side
    789,836.38x = 613,113,287,163.32
  5. Step 5: Solve for x
    x = 613,113,287,163.32/789,836.38
  6. Step 6: Final answer
    x = 776,253.54

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1.5x scale

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.