Home / 741,432.56-1,106,722.78-636,923.12

Finding the Fourth Proportional to 741,432.56, 1,106,722.78 and 636,923.12

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Solution

The fourth proportional to 741,432.56, 1,106,722.78 and 636,923.12 is: 950,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,432.56 : 1,106,722.78 = 636,923.12 : x
  2. Step 2: Convert to fraction form
    741,432.56/1,106,722.78 = 636,923.12/x
  3. Step 3: Cross multiply
    741,432.56x = 1,106,722.78 × 636,923.12
  4. Step 4: Simplify right side
    741,432.56x = 704,897,326,012.67
  5. Step 5: Solve for x
    x = 704,897,326,012.67/741,432.56
  6. Step 6: Final answer
    x = 950,723.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.