Home / 1,132,189.14-1,698,228.23-422,161.64

Finding the Fourth Proportional to 1,132,189.14, 1,698,228.23 and 422,161.64

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Solution

The fourth proportional to 1,132,189.14, 1,698,228.23 and 422,161.64 is: 633,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,189.14 : 1,698,228.23 = 422,161.64 : x
  2. Step 2: Convert to fraction form
    1,132,189.14/1,698,228.23 = 422,161.64/x
  3. Step 3: Cross multiply
    1,132,189.14x = 1,698,228.23 × 422,161.64
  4. Step 4: Simplify right side
    1,132,189.14x = 716,926,804,069.15
  5. Step 5: Solve for x
    x = 716,926,804,069.15/1,132,189.14
  6. Step 6: Final answer
    x = 633,221.76

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Double scale
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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.