Home / 801,607.94-1,106,116.26-638,677.81

Finding the Fourth Proportional to 801,607.94, 1,106,116.26 and 638,677.81

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Solution

The fourth proportional to 801,607.94, 1,106,116.26 and 638,677.81 is: 881,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,607.94 : 1,106,116.26 = 638,677.81 : x
  2. Step 2: Convert to fraction form
    801,607.94/1,106,116.26 = 638,677.81/x
  3. Step 3: Cross multiply
    801,607.94x = 1,106,116.26 × 638,677.81
  4. Step 4: Simplify right side
    801,607.94x = 706,451,909,529.79
  5. Step 5: Solve for x
    x = 706,451,909,529.79/801,607.94
  6. Step 6: Final answer
    x = 881,293.55

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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.