Home / 1,507,219.80-2,260,829.70-1,223,784.60

Finding the Fourth Proportional to 1,507,219.80, 2,260,829.70 and 1,223,784.60

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Solution

The fourth proportional to 1,507,219.80, 2,260,829.70 and 1,223,784.60 is: 1,835,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,219.80 : 2,260,829.70 = 1,223,784.60 : x
  2. Step 2: Convert to fraction form
    1,507,219.80/2,260,829.70 = 1,223,784.60/x
  3. Step 3: Cross multiply
    1,507,219.80x = 2,260,829.70 × 1,223,784.60
  4. Step 4: Simplify right side
    1,507,219.80x = 2,766,768,570,082.62
  5. Step 5: Solve for x
    x = 2,766,768,570,082.62/1,507,219.80
  6. Step 6: Final answer
    x = 1,835,676.90

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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.