Home / 1,388,984.40-2,083,626-442,133.64

Finding the Fourth Proportional to 1,388,984.40, 2,083,626 and 442,133.64

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Solution

The fourth proportional to 1,388,984.40, 2,083,626 and 442,133.64 is: 663,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,984.40 : 2,083,626 = 442,133.64 : x
  2. Step 2: Convert to fraction form
    1,388,984.40/2,083,626 = 442,133.64/x
  3. Step 3: Cross multiply
    1,388,984.40x = 2,083,626 × 442,133.64
  4. Step 4: Simplify right side
    1,388,984.40x = 921,241,147,778.64
  5. Step 5: Solve for x
    x = 921,241,147,778.64/1,388,984.40
  6. Step 6: Final answer
    x = 663,248.02

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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.