Home / 839,638.44-1,158,732.27-477,123.75

Finding the Fourth Proportional to 839,638.44, 1,158,732.27 and 477,123.75

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Solution

The fourth proportional to 839,638.44, 1,158,732.27 and 477,123.75 is: 658,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,638.44 : 1,158,732.27 = 477,123.75 : x
  2. Step 2: Convert to fraction form
    839,638.44/1,158,732.27 = 477,123.75/x
  3. Step 3: Cross multiply
    839,638.44x = 1,158,732.27 × 477,123.75
  4. Step 4: Simplify right side
    839,638.44x = 552,858,685,908.41
  5. Step 5: Solve for x
    x = 552,858,685,908.41/839,638.44
  6. Step 6: Final answer
    x = 658,448.52

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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.