Home / 1,201,806.40-1,802,709.60-1,065,337.60

Finding the Fourth Proportional to 1,201,806.40, 1,802,709.60 and 1,065,337.60

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Solution

The fourth proportional to 1,201,806.40, 1,802,709.60 and 1,065,337.60 is: 1,598,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,806.40 : 1,802,709.60 = 1,065,337.60 : x
  2. Step 2: Convert to fraction form
    1,201,806.40/1,802,709.60 = 1,065,337.60/x
  3. Step 3: Cross multiply
    1,201,806.40x = 1,802,709.60 × 1,065,337.60
  4. Step 4: Simplify right side
    1,201,806.40x = 1,920,494,318,760.96
  5. Step 5: Solve for x
    x = 1,920,494,318,760.96/1,201,806.40
  6. Step 6: Final answer
    x = 1,598,006.40

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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.