Home / 1,234,078.52-1,850,756.28-465,021.38

Finding the Fourth Proportional to 1,234,078.52, 1,850,756.28 and 465,021.38

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Solution

The fourth proportional to 1,234,078.52, 1,850,756.28 and 465,021.38 is: 697,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,078.52 : 1,850,756.28 = 465,021.38 : x
  2. Step 2: Convert to fraction form
    1,234,078.52/1,850,756.28 = 465,021.38/x
  3. Step 3: Cross multiply
    1,234,078.52x = 1,850,756.28 × 465,021.38
  4. Step 4: Simplify right side
    1,234,078.52x = 860,641,230,115.49
  5. Step 5: Solve for x
    x = 860,641,230,115.49/1,234,078.52
  6. Step 6: Final answer
    x = 697,395.84

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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.