Home / 1,113,784.70-1,670,675.16-403,811.60

Finding the Fourth Proportional to 1,113,784.70, 1,670,675.16 and 403,811.60

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Solution

The fourth proportional to 1,113,784.70, 1,670,675.16 and 403,811.60 is: 605,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,784.70 : 1,670,675.16 = 403,811.60 : x
  2. Step 2: Convert to fraction form
    1,113,784.70/1,670,675.16 = 403,811.60/x
  3. Step 3: Cross multiply
    1,113,784.70x = 1,670,675.16 × 403,811.60
  4. Step 4: Simplify right side
    1,113,784.70x = 674,638,009,439.86
  5. Step 5: Solve for x
    x = 674,638,009,439.86/1,113,784.70
  6. Step 6: Final answer
    x = 605,716.71

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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.