Home / 783,882.08-1,174,890-545,936.48

Finding the Fourth Proportional to 783,882.08, 1,174,890 and 545,936.48

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Solution

The fourth proportional to 783,882.08, 1,174,890 and 545,936.48 is: 818,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,882.08 : 1,174,890 = 545,936.48 : x
  2. Step 2: Convert to fraction form
    783,882.08/1,174,890 = 545,936.48/x
  3. Step 3: Cross multiply
    783,882.08x = 1,174,890 × 545,936.48
  4. Step 4: Simplify right side
    783,882.08x = 641,415,310,987.20
  5. Step 5: Solve for x
    x = 641,415,310,987.20/783,882.08
  6. Step 6: Final answer
    x = 818,254.85

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1.5x scale

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.