Home / 1,971,455.90-2,957,291.48-623,517.89

Finding the Fourth Proportional to 1,971,455.90, 2,957,291.48 and 623,517.89

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Solution

The fourth proportional to 1,971,455.90, 2,957,291.48 and 623,517.89 is: 935,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,455.90 : 2,957,291.48 = 623,517.89 : x
  2. Step 2: Convert to fraction form
    1,971,455.90/2,957,291.48 = 623,517.89/x
  3. Step 3: Cross multiply
    1,971,455.90x = 2,957,291.48 × 623,517.89
  4. Step 4: Simplify right side
    1,971,455.90x = 1,843,924,152,676.60
  5. Step 5: Solve for x
    x = 1,843,924,152,676.60/1,971,455.90
  6. Step 6: Final answer
    x = 935,310.88

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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.