Home / 759,370.08-1,137,962.57-326,968.84

Finding the Fourth Proportional to 759,370.08, 1,137,962.57 and 326,968.84

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Solution

The fourth proportional to 759,370.08, 1,137,962.57 and 326,968.84 is: 489,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,370.08 : 1,137,962.57 = 326,968.84 : x
  2. Step 2: Convert to fraction form
    759,370.08/1,137,962.57 = 326,968.84/x
  3. Step 3: Cross multiply
    759,370.08x = 1,137,962.57 × 326,968.84
  4. Step 4: Simplify right side
    759,370.08x = 372,078,299,448.84
  5. Step 5: Solve for x
    x = 372,078,299,448.84/759,370.08
  6. Step 6: Final answer
    x = 489,982.83

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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.