Home / 940,941.36-1,411,409.88-408,393.36

Finding the Fourth Proportional to 940,941.36, 1,411,409.88 and 408,393.36

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Solution

The fourth proportional to 940,941.36, 1,411,409.88 and 408,393.36 is: 612,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,941.36 : 1,411,409.88 = 408,393.36 : x
  2. Step 2: Convert to fraction form
    940,941.36/1,411,409.88 = 408,393.36/x
  3. Step 3: Cross multiply
    940,941.36x = 1,411,409.88 × 408,393.36
  4. Step 4: Simplify right side
    940,941.36x = 576,410,423,230.40
  5. Step 5: Solve for x
    x = 576,410,423,230.40/940,941.36
  6. Step 6: Final answer
    x = 612,589.10

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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.