Home / 1,005,932.52-1,509,118.85-437,401.37

Finding the Fourth Proportional to 1,005,932.52, 1,509,118.85 and 437,401.37

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Solution

The fourth proportional to 1,005,932.52, 1,509,118.85 and 437,401.37 is: 656,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,932.52 : 1,509,118.85 = 437,401.37 : x
  2. Step 2: Convert to fraction form
    1,005,932.52/1,509,118.85 = 437,401.37/x
  3. Step 3: Cross multiply
    1,005,932.52x = 1,509,118.85 × 437,401.37
  4. Step 4: Simplify right side
    1,005,932.52x = 660,090,646,399.95
  5. Step 5: Solve for x
    x = 660,090,646,399.95/1,005,932.52
  6. Step 6: Final answer
    x = 656,197.74

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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.