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Finding the Fourth Proportional to 1,590,647.88, 2,385,971.82 and 579,845.64

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Solution

The fourth proportional to 1,590,647.88, 2,385,971.82 and 579,845.64 is: 869,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,647.88 : 2,385,971.82 = 579,845.64 : x
  2. Step 2: Convert to fraction form
    1,590,647.88/2,385,971.82 = 579,845.64/x
  3. Step 3: Cross multiply
    1,590,647.88x = 2,385,971.82 × 579,845.64
  4. Step 4: Simplify right side
    1,590,647.88x = 1,383,495,356,989.86
  5. Step 5: Solve for x
    x = 1,383,495,356,989.86/1,590,647.88
  6. Step 6: Final answer
    x = 869,768.46

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Similar ratio
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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.