Home / 1,113,712.10-1,670,568.15-403,739.30

Finding the Fourth Proportional to 1,113,712.10, 1,670,568.15 and 403,739.30

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Solution

The fourth proportional to 1,113,712.10, 1,670,568.15 and 403,739.30 is: 605,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,712.10 : 1,670,568.15 = 403,739.30 : x
  2. Step 2: Convert to fraction form
    1,113,712.10/1,670,568.15 = 403,739.30/x
  3. Step 3: Cross multiply
    1,113,712.10x = 1,670,568.15 × 403,739.30
  4. Step 4: Simplify right side
    1,113,712.10x = 674,474,015,483.30
  5. Step 5: Solve for x
    x = 674,474,015,483.30/1,113,712.10
  6. Step 6: Final answer
    x = 605,608.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.