Home / 1,008,123.03-1,391,205.60-549,236.25

Finding the Fourth Proportional to 1,008,123.03, 1,391,205.60 and 549,236.25

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Solution

The fourth proportional to 1,008,123.03, 1,391,205.60 and 549,236.25 is: 757,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,123.03 : 1,391,205.60 = 549,236.25 : x
  2. Step 2: Convert to fraction form
    1,008,123.03/1,391,205.60 = 549,236.25/x
  3. Step 3: Cross multiply
    1,008,123.03x = 1,391,205.60 × 549,236.25
  4. Step 4: Simplify right side
    1,008,123.03x = 764,100,546,723
  5. Step 5: Solve for x
    x = 764,100,546,723/1,008,123.03
  6. Step 6: Final answer
    x = 757,943.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.