Home / 1,277,169.84-1,915,903.04-424,317.60

Finding the Fourth Proportional to 1,277,169.84, 1,915,903.04 and 424,317.60

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Solution

The fourth proportional to 1,277,169.84, 1,915,903.04 and 424,317.60 is: 636,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,169.84 : 1,915,903.04 = 424,317.60 : x
  2. Step 2: Convert to fraction form
    1,277,169.84/1,915,903.04 = 424,317.60/x
  3. Step 3: Cross multiply
    1,277,169.84x = 1,915,903.04 × 424,317.60
  4. Step 4: Simplify right side
    1,277,169.84x = 812,951,379,765.50
  5. Step 5: Solve for x
    x = 812,951,379,765.50/1,277,169.84
  6. Step 6: Final answer
    x = 636,525.66

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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.