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Finding the Fourth Proportional to 1,373,585.82, 1,895,548.56 and 761,832.12

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Solution

The fourth proportional to 1,373,585.82, 1,895,548.56 and 761,832.12 is: 1,051,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,585.82 : 1,895,548.56 = 761,832.12 : x
  2. Step 2: Convert to fraction form
    1,373,585.82/1,895,548.56 = 761,832.12/x
  3. Step 3: Cross multiply
    1,373,585.82x = 1,895,548.56 × 761,832.12
  4. Step 4: Simplify right side
    1,373,585.82x = 1,444,089,778,027.75
  5. Step 5: Solve for x
    x = 1,444,089,778,027.75/1,373,585.82
  6. Step 6: Final answer
    x = 1,051,328.40

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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.