Home / 776,922.85-1,072,302.46-437,391.10

Finding the Fourth Proportional to 776,922.85, 1,072,302.46 and 437,391.10

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Solution

The fourth proportional to 776,922.85, 1,072,302.46 and 437,391.10 is: 603,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,922.85 : 1,072,302.46 = 437,391.10 : x
  2. Step 2: Convert to fraction form
    776,922.85/1,072,302.46 = 437,391.10/x
  3. Step 3: Cross multiply
    776,922.85x = 1,072,302.46 × 437,391.10
  4. Step 4: Simplify right side
    776,922.85x = 469,015,552,759.01
  5. Step 5: Solve for x
    x = 469,015,552,759.01/776,922.85
  6. Step 6: Final answer
    x = 603,683.56

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1.5x scale

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.