Home / 1,020,721.50-1,408,596.48-591,024.60

Finding the Fourth Proportional to 1,020,721.50, 1,408,596.48 and 591,024.60

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Solution

The fourth proportional to 1,020,721.50, 1,408,596.48 and 591,024.60 is: 815,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,721.50 : 1,408,596.48 = 591,024.60 : x
  2. Step 2: Convert to fraction form
    1,020,721.50/1,408,596.48 = 591,024.60/x
  3. Step 3: Cross multiply
    1,020,721.50x = 1,408,596.48 × 591,024.60
  4. Step 4: Simplify right side
    1,020,721.50x = 832,515,171,153.41
  5. Step 5: Solve for x
    x = 832,515,171,153.41/1,020,721.50
  6. Step 6: Final answer
    x = 815,614.42

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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.