Home / 1,209,292.44-1,813,938.65-440,847.78

Finding the Fourth Proportional to 1,209,292.44, 1,813,938.65 and 440,847.78

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Solution

The fourth proportional to 1,209,292.44, 1,813,938.65 and 440,847.78 is: 661,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,292.44 : 1,813,938.65 = 440,847.78 : x
  2. Step 2: Convert to fraction form
    1,209,292.44/1,813,938.65 = 440,847.78/x
  3. Step 3: Cross multiply
    1,209,292.44x = 1,813,938.65 × 440,847.78
  4. Step 4: Simplify right side
    1,209,292.44x = 799,670,826,908.70
  5. Step 5: Solve for x
    x = 799,670,826,908.70/1,209,292.44
  6. Step 6: Final answer
    x = 661,271.67

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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.