Home / 1,276,558.40-1,914,886.19-477,755.84

Finding the Fourth Proportional to 1,276,558.40, 1,914,886.19 and 477,755.84

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Solution

The fourth proportional to 1,276,558.40, 1,914,886.19 and 477,755.84 is: 716,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,558.40 : 1,914,886.19 = 477,755.84 : x
  2. Step 2: Convert to fraction form
    1,276,558.40/1,914,886.19 = 477,755.84/x
  3. Step 3: Cross multiply
    1,276,558.40x = 1,914,886.19 × 477,755.84
  4. Step 4: Simplify right side
    1,276,558.40x = 914,848,051,827.81
  5. Step 5: Solve for x
    x = 914,848,051,827.81/1,276,558.40
  6. Step 6: Final answer
    x = 716,651.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.