Home / 1,306,465.26-1,959,697.16-407,984

Finding the Fourth Proportional to 1,306,465.26, 1,959,697.16 and 407,984

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Solution

The fourth proportional to 1,306,465.26, 1,959,697.16 and 407,984 is: 611,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,465.26 : 1,959,697.16 = 407,984 : x
  2. Step 2: Convert to fraction form
    1,306,465.26/1,959,697.16 = 407,984/x
  3. Step 3: Cross multiply
    1,306,465.26x = 1,959,697.16 × 407,984
  4. Step 4: Simplify right side
    1,306,465.26x = 799,525,086,125.44
  5. Step 5: Solve for x
    x = 799,525,086,125.44/1,306,465.26
  6. Step 6: Final answer
    x = 611,975.77

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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.