Home / 776,911.04-1,072,157.28-437,391.44

Finding the Fourth Proportional to 776,911.04, 1,072,157.28 and 437,391.44

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Solution

The fourth proportional to 776,911.04, 1,072,157.28 and 437,391.44 is: 603,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,911.04 : 1,072,157.28 = 437,391.44 : x
  2. Step 2: Convert to fraction form
    776,911.04/1,072,157.28 = 437,391.44/x
  3. Step 3: Cross multiply
    776,911.04x = 1,072,157.28 × 437,391.44
  4. Step 4: Simplify right side
    776,911.04x = 468,952,416,605.68
  5. Step 5: Solve for x
    x = 468,952,416,605.68/776,911.04
  6. Step 6: Final answer
    x = 603,611.47

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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.