Home / 612,986.58-846,316.62-395,292.60

Finding the Fourth Proportional to 612,986.58, 846,316.62 and 395,292.60

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Solution

The fourth proportional to 612,986.58, 846,316.62 and 395,292.60 is: 545,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,986.58 : 846,316.62 = 395,292.60 : x
  2. Step 2: Convert to fraction form
    612,986.58/846,316.62 = 395,292.60/x
  3. Step 3: Cross multiply
    612,986.58x = 846,316.62 × 395,292.60
  4. Step 4: Simplify right side
    612,986.58x = 334,542,697,143.01
  5. Step 5: Solve for x
    x = 334,542,697,143.01/612,986.58
  6. Step 6: Final answer
    x = 545,758.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.