Home / 1,691,039-2,334,858.54-1,088,476.76

Finding the Fourth Proportional to 1,691,039, 2,334,858.54 and 1,088,476.76

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Solution

The fourth proportional to 1,691,039, 2,334,858.54 and 1,088,476.76 is: 1,502,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,039 : 2,334,858.54 = 1,088,476.76 : x
  2. Step 2: Convert to fraction form
    1,691,039/2,334,858.54 = 1,088,476.76/x
  3. Step 3: Cross multiply
    1,691,039x = 2,334,858.54 × 1,088,476.76
  4. Step 4: Simplify right side
    1,691,039x = 2,541,439,258,677.53
  5. Step 5: Solve for x
    x = 2,541,439,258,677.53/1,691,039
  6. Step 6: Final answer
    x = 1,502,886.25

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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.