Home / 1,040,111.40-1,557,056.70-619,170.60

Finding the Fourth Proportional to 1,040,111.40, 1,557,056.70 and 619,170.60

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Solution

The fourth proportional to 1,040,111.40, 1,557,056.70 and 619,170.60 is: 926,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,111.40 : 1,557,056.70 = 619,170.60 : x
  2. Step 2: Convert to fraction form
    1,040,111.40/1,557,056.70 = 619,170.60/x
  3. Step 3: Cross multiply
    1,040,111.40x = 1,557,056.70 × 619,170.60
  4. Step 4: Simplify right side
    1,040,111.40x = 964,083,731,173.02
  5. Step 5: Solve for x
    x = 964,083,731,173.02/1,040,111.40
  6. Step 6: Final answer
    x = 926,904.30

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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.