Home / 729,148.60-1,093,722.90-629,421.40

Finding the Fourth Proportional to 729,148.60, 1,093,722.90 and 629,421.40

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Solution

The fourth proportional to 729,148.60, 1,093,722.90 and 629,421.40 is: 944,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,148.60 : 1,093,722.90 = 629,421.40 : x
  2. Step 2: Convert to fraction form
    729,148.60/1,093,722.90 = 629,421.40/x
  3. Step 3: Cross multiply
    729,148.60x = 1,093,722.90 × 629,421.40
  4. Step 4: Simplify right side
    729,148.60x = 688,412,598,930.06
  5. Step 5: Solve for x
    x = 688,412,598,930.06/729,148.60
  6. Step 6: Final answer
    x = 944,132.10

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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.