Home / 1,114,671.72-1,538,251.38-605,382.60

Finding the Fourth Proportional to 1,114,671.72, 1,538,251.38 and 605,382.60

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Solution

The fourth proportional to 1,114,671.72, 1,538,251.38 and 605,382.60 is: 835,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,671.72 : 1,538,251.38 = 605,382.60 : x
  2. Step 2: Convert to fraction form
    1,114,671.72/1,538,251.38 = 605,382.60/x
  3. Step 3: Cross multiply
    1,114,671.72x = 1,538,251.38 × 605,382.60
  4. Step 4: Simplify right side
    1,114,671.72x = 931,230,619,877.99
  5. Step 5: Solve for x
    x = 931,230,619,877.99/1,114,671.72
  6. Step 6: Final answer
    x = 835,430.38

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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.