Home / 987,395.56-1,362,605.54-534,686.44

Finding the Fourth Proportional to 987,395.56, 1,362,605.54 and 534,686.44

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Solution

The fourth proportional to 987,395.56, 1,362,605.54 and 534,686.44 is: 737,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,395.56 : 1,362,605.54 = 534,686.44 : x
  2. Step 2: Convert to fraction form
    987,395.56/1,362,605.54 = 534,686.44/x
  3. Step 3: Cross multiply
    987,395.56x = 1,362,605.54 × 534,686.44
  4. Step 4: Simplify right side
    987,395.56x = 728,566,705,306.88
  5. Step 5: Solve for x
    x = 728,566,705,306.88/987,395.56
  6. Step 6: Final answer
    x = 737,867.11

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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.