Home / 1,323,192.52-1,985,121.42-424,714.60

Finding the Fourth Proportional to 1,323,192.52, 1,985,121.42 and 424,714.60

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Solution

The fourth proportional to 1,323,192.52, 1,985,121.42 and 424,714.60 is: 637,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,192.52 : 1,985,121.42 = 424,714.60 : x
  2. Step 2: Convert to fraction form
    1,323,192.52/1,985,121.42 = 424,714.60/x
  3. Step 3: Cross multiply
    1,323,192.52x = 1,985,121.42 × 424,714.60
  4. Step 4: Simplify right side
    1,323,192.52x = 843,110,049,846.73
  5. Step 5: Solve for x
    x = 843,110,049,846.73/1,323,192.52
  6. Step 6: Final answer
    x = 637,178.67

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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.