Home / 1,605,261.60-2,405,851.20-657,561.60

Finding the Fourth Proportional to 1,605,261.60, 2,405,851.20 and 657,561.60

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Solution

The fourth proportional to 1,605,261.60, 2,405,851.20 and 657,561.60 is: 985,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,261.60 : 2,405,851.20 = 657,561.60 : x
  2. Step 2: Convert to fraction form
    1,605,261.60/2,405,851.20 = 657,561.60/x
  3. Step 3: Cross multiply
    1,605,261.60x = 2,405,851.20 × 657,561.60
  4. Step 4: Simplify right side
    1,605,261.60x = 1,581,995,364,433.92
  5. Step 5: Solve for x
    x = 1,581,995,364,433.92/1,605,261.60
  6. Step 6: Final answer
    x = 985,506.27

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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.