Home / 1,205,504.62-1,808,256.84-939,464.20

Finding the Fourth Proportional to 1,205,504.62, 1,808,256.84 and 939,464.20

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Solution

The fourth proportional to 1,205,504.62, 1,808,256.84 and 939,464.20 is: 1,409,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,504.62 : 1,808,256.84 = 939,464.20 : x
  2. Step 2: Convert to fraction form
    1,205,504.62/1,808,256.84 = 939,464.20/x
  3. Step 3: Cross multiply
    1,205,504.62x = 1,808,256.84 × 939,464.20
  4. Step 4: Simplify right side
    1,205,504.62x = 1,698,792,565,585.13
  5. Step 5: Solve for x
    x = 1,698,792,565,585.13/1,205,504.62
  6. Step 6: Final answer
    x = 1,409,196.23

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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.