Home / 3,539,085.75-5,308,648.07-879,693.75

Finding the Fourth Proportional to 3,539,085.75, 5,308,648.07 and 879,693.75

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Solution

The fourth proportional to 3,539,085.75, 5,308,648.07 and 879,693.75 is: 1,319,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,085.75 : 5,308,648.07 = 879,693.75 : x
  2. Step 2: Convert to fraction form
    3,539,085.75/5,308,648.07 = 879,693.75/x
  3. Step 3: Cross multiply
    3,539,085.75x = 5,308,648.07 × 879,693.75
  4. Step 4: Simplify right side
    3,539,085.75x = 4,669,984,523,730.09
  5. Step 5: Solve for x
    x = 4,669,984,523,730.09/3,539,085.75
  6. Step 6: Final answer
    x = 1,319,545.46

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Similar ratio
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1.5x scale

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.