Home / 404,816.63-607,435.09-165,106.40

Finding the Fourth Proportional to 404,816.63, 607,435.09 and 165,106.40

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Solution

The fourth proportional to 404,816.63, 607,435.09 and 165,106.40 is: 247,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,816.63 : 607,435.09 = 165,106.40 : x
  2. Step 2: Convert to fraction form
    404,816.63/607,435.09 = 165,106.40/x
  3. Step 3: Cross multiply
    404,816.63x = 607,435.09 × 165,106.40
  4. Step 4: Simplify right side
    404,816.63x = 100,291,417,906.40
  5. Step 5: Solve for x
    x = 100,291,417,906.40/404,816.63
  6. Step 6: Final answer
    x = 247,745.30

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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.