Home / 1,048,989.60-1,447,563.60-619,408.08

Finding the Fourth Proportional to 1,048,989.60, 1,447,563.60 and 619,408.08

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Solution

The fourth proportional to 1,048,989.60, 1,447,563.60 and 619,408.08 is: 854,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,989.60 : 1,447,563.60 = 619,408.08 : x
  2. Step 2: Convert to fraction form
    1,048,989.60/1,447,563.60 = 619,408.08/x
  3. Step 3: Cross multiply
    1,048,989.60x = 1,447,563.60 × 619,408.08
  4. Step 4: Simplify right side
    1,048,989.60x = 896,632,590,153.89
  5. Step 5: Solve for x
    x = 896,632,590,153.89/1,048,989.60
  6. Step 6: Final answer
    x = 854,758.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.