Home / 1,152,114.21-1,728,169.38-477,745.47

Finding the Fourth Proportional to 1,152,114.21, 1,728,169.38 and 477,745.47

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Solution

The fourth proportional to 1,152,114.21, 1,728,169.38 and 477,745.47 is: 716,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,114.21 : 1,728,169.38 = 477,745.47 : x
  2. Step 2: Convert to fraction form
    1,152,114.21/1,728,169.38 = 477,745.47/x
  3. Step 3: Cross multiply
    1,152,114.21x = 1,728,169.38 × 477,745.47
  4. Step 4: Simplify right side
    1,152,114.21x = 825,625,092,687.71
  5. Step 5: Solve for x
    x = 825,625,092,687.71/1,152,114.21
  6. Step 6: Final answer
    x = 716,617.40

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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.