Home / 945,783.16-1,419,317.34-384,919.72

Finding the Fourth Proportional to 945,783.16, 1,419,317.34 and 384,919.72

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Solution

The fourth proportional to 945,783.16, 1,419,317.34 and 384,919.72 is: 577,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,783.16 : 1,419,317.34 = 384,919.72 : x
  2. Step 2: Convert to fraction form
    945,783.16/1,419,317.34 = 384,919.72/x
  3. Step 3: Cross multiply
    945,783.16x = 1,419,317.34 × 384,919.72
  4. Step 4: Simplify right side
    945,783.16x = 546,323,233,103.95
  5. Step 5: Solve for x
    x = 546,323,233,103.95/945,783.16
  6. Step 6: Final answer
    x = 577,641.11

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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.