Home / 1,121,665.22-1,682,441.91-411,637.40

Finding the Fourth Proportional to 1,121,665.22, 1,682,441.91 and 411,637.40

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Solution

The fourth proportional to 1,121,665.22, 1,682,441.91 and 411,637.40 is: 617,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,665.22 : 1,682,441.91 = 411,637.40 : x
  2. Step 2: Convert to fraction form
    1,121,665.22/1,682,441.91 = 411,637.40/x
  3. Step 3: Cross multiply
    1,121,665.22x = 1,682,441.91 × 411,637.40
  4. Step 4: Simplify right side
    1,121,665.22x = 692,556,013,483.43
  5. Step 5: Solve for x
    x = 692,556,013,483.43/1,121,665.22
  6. Step 6: Final answer
    x = 617,435.58

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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.