Home / 1,114,666.90-1,538,249.35-605,372.92

Finding the Fourth Proportional to 1,114,666.90, 1,538,249.35 and 605,372.92

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Solution

The fourth proportional to 1,114,666.90, 1,538,249.35 and 605,372.92 is: 835,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,666.90 : 1,538,249.35 = 605,372.92 : x
  2. Step 2: Convert to fraction form
    1,114,666.90/1,538,249.35 = 605,372.92/x
  3. Step 3: Cross multiply
    1,114,666.90x = 1,538,249.35 × 605,372.92
  4. Step 4: Simplify right side
    1,114,666.90x = 931,214,500,697.60
  5. Step 5: Solve for x
    x = 931,214,500,697.60/1,114,666.90
  6. Step 6: Final answer
    x = 835,419.53

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Double scale
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Similar ratio
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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.