Home / 1,427,113.40-2,139,633.30-585,231.80

Finding the Fourth Proportional to 1,427,113.40, 2,139,633.30 and 585,231.80

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Solution

The fourth proportional to 1,427,113.40, 2,139,633.30 and 585,231.80 is: 877,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,113.40 : 2,139,633.30 = 585,231.80 : x
  2. Step 2: Convert to fraction form
    1,427,113.40/2,139,633.30 = 585,231.80/x
  3. Step 3: Cross multiply
    1,427,113.40x = 2,139,633.30 × 585,231.80
  4. Step 4: Simplify right side
    1,427,113.40x = 1,252,181,447,498.94
  5. Step 5: Solve for x
    x = 1,252,181,447,498.94/1,427,113.40
  6. Step 6: Final answer
    x = 877,422.53

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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.