Home / 946,720.60-1,417,748.10-629,459.80

Finding the Fourth Proportional to 946,720.60, 1,417,748.10 and 629,459.80

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Solution

The fourth proportional to 946,720.60, 1,417,748.10 and 629,459.80 is: 942,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,720.60 : 1,417,748.10 = 629,459.80 : x
  2. Step 2: Convert to fraction form
    946,720.60/1,417,748.10 = 629,459.80/x
  3. Step 3: Cross multiply
    946,720.60x = 1,417,748.10 × 629,459.80
  4. Step 4: Simplify right side
    946,720.60x = 892,415,435,476.38
  5. Step 5: Solve for x
    x = 892,415,435,476.38/946,720.60
  6. Step 6: Final answer
    x = 942,638.66

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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.