Home / 1,610,318.40-2,415,477.60-1,079,476.80

Finding the Fourth Proportional to 1,610,318.40, 2,415,477.60 and 1,079,476.80

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Solution

The fourth proportional to 1,610,318.40, 2,415,477.60 and 1,079,476.80 is: 1,619,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,318.40 : 2,415,477.60 = 1,079,476.80 : x
  2. Step 2: Convert to fraction form
    1,610,318.40/2,415,477.60 = 1,079,476.80/x
  3. Step 3: Cross multiply
    1,610,318.40x = 2,415,477.60 × 1,079,476.80
  4. Step 4: Simplify right side
    1,610,318.40x = 2,607,452,030,119.68
  5. Step 5: Solve for x
    x = 2,607,452,030,119.68/1,610,318.40
  6. Step 6: Final answer
    x = 1,619,215.20

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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.