Home / 4,430,269.60-6,645,404.40-4,388,279.20

Finding the Fourth Proportional to 4,430,269.60, 6,645,404.40 and 4,388,279.20

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Solution

The fourth proportional to 4,430,269.60, 6,645,404.40 and 4,388,279.20 is: 6,582,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430,269.60 : 6,645,404.40 = 4,388,279.20 : x
  2. Step 2: Convert to fraction form
    4,430,269.60/6,645,404.40 = 4,388,279.20/x
  3. Step 3: Cross multiply
    4,430,269.60x = 6,645,404.40 × 4,388,279.20
  4. Step 4: Simplify right side
    4,430,269.60x = 29,161,889,904,108.48
  5. Step 5: Solve for x
    x = 29,161,889,904,108.48/4,430,269.60
  6. Step 6: Final answer
    x = 6,582,418.80

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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.