Home / 5,338,879.40-8,008,319.10-4,331,109.80

Finding the Fourth Proportional to 5,338,879.40, 8,008,319.10 and 4,331,109.80

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Solution

The fourth proportional to 5,338,879.40, 8,008,319.10 and 4,331,109.80 is: 6,496,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,879.40 : 8,008,319.10 = 4,331,109.80 : x
  2. Step 2: Convert to fraction form
    5,338,879.40/8,008,319.10 = 4,331,109.80/x
  3. Step 3: Cross multiply
    5,338,879.40x = 8,008,319.10 × 4,331,109.80
  4. Step 4: Simplify right side
    5,338,879.40x = 34,684,909,335,537.18
  5. Step 5: Solve for x
    x = 34,684,909,335,537.18/5,338,879.40
  6. Step 6: Final answer
    x = 6,496,664.70

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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.