Home / 934,415.07-1,289,504.87-552,438.51

Finding the Fourth Proportional to 934,415.07, 1,289,504.87 and 552,438.51

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Solution

The fourth proportional to 934,415.07, 1,289,504.87 and 552,438.51 is: 762,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,415.07 : 1,289,504.87 = 552,438.51 : x
  2. Step 2: Convert to fraction form
    934,415.07/1,289,504.87 = 552,438.51/x
  3. Step 3: Cross multiply
    934,415.07x = 1,289,504.87 × 552,438.51
  4. Step 4: Simplify right side
    934,415.07x = 712,372,149,020.54
  5. Step 5: Solve for x
    x = 712,372,149,020.54/934,415.07
  6. Step 6: Final answer
    x = 762,372.28

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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.