Home / 455,162.40-682,743.60-369,541.35

Finding the Fourth Proportional to 455,162.40, 682,743.60 and 369,541.35

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Solution

The fourth proportional to 455,162.40, 682,743.60 and 369,541.35 is: 554,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,162.40 : 682,743.60 = 369,541.35 : x
  2. Step 2: Convert to fraction form
    455,162.40/682,743.60 = 369,541.35/x
  3. Step 3: Cross multiply
    455,162.40x = 682,743.60 × 369,541.35
  4. Step 4: Simplify right side
    455,162.40x = 252,301,991,647.86
  5. Step 5: Solve for x
    x = 252,301,991,647.86/455,162.40
  6. Step 6: Final answer
    x = 554,312.03

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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.