Home / 738,445.01-1,012,408.40-724,993.57

Finding the Fourth Proportional to 738,445.01, 1,012,408.40 and 724,993.57

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Solution

The fourth proportional to 738,445.01, 1,012,408.40 and 724,993.57 is: 993,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,445.01 : 1,012,408.40 = 724,993.57 : x
  2. Step 2: Convert to fraction form
    738,445.01/1,012,408.40 = 724,993.57/x
  3. Step 3: Cross multiply
    738,445.01x = 1,012,408.40 × 724,993.57
  4. Step 4: Simplify right side
    738,445.01x = 733,989,583,291.98
  5. Step 5: Solve for x
    x = 733,989,583,291.98/738,445.01
  6. Step 6: Final answer
    x = 993,966.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.