Home / 946,551.93-1,305,578.86-640,493.60

Finding the Fourth Proportional to 946,551.93, 1,305,578.86 and 640,493.60

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Solution

The fourth proportional to 946,551.93, 1,305,578.86 and 640,493.60 is: 883,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,551.93 : 1,305,578.86 = 640,493.60 : x
  2. Step 2: Convert to fraction form
    946,551.93/1,305,578.86 = 640,493.60/x
  3. Step 3: Cross multiply
    946,551.93x = 1,305,578.86 × 640,493.60
  4. Step 4: Simplify right side
    946,551.93x = 836,214,895,996.17
  5. Step 5: Solve for x
    x = 836,214,895,996.17/946,551.93
  6. Step 6: Final answer
    x = 883,432.67

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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.