Home / 2,985,994.58-4,478,994.90-742,132.58

Finding the Fourth Proportional to 2,985,994.58, 4,478,994.90 and 742,132.58

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Solution

The fourth proportional to 2,985,994.58, 4,478,994.90 and 742,132.58 is: 1,113,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,994.58 : 4,478,994.90 = 742,132.58 : x
  2. Step 2: Convert to fraction form
    2,985,994.58/4,478,994.90 = 742,132.58/x
  3. Step 3: Cross multiply
    2,985,994.58x = 4,478,994.90 × 742,132.58
  4. Step 4: Simplify right side
    2,985,994.58x = 3,324,008,018,548.87
  5. Step 5: Solve for x
    x = 3,324,008,018,548.87/2,985,994.58
  6. Step 6: Final answer
    x = 1,113,199.62

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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.