Home / 756,366.90-1,043,786.30-416,835.15

Finding the Fourth Proportional to 756,366.90, 1,043,786.30 and 416,835.15

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Solution

The fourth proportional to 756,366.90, 1,043,786.30 and 416,835.15 is: 575,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,366.90 : 1,043,786.30 = 416,835.15 : x
  2. Step 2: Convert to fraction form
    756,366.90/1,043,786.30 = 416,835.15/x
  3. Step 3: Cross multiply
    756,366.90x = 1,043,786.30 × 416,835.15
  4. Step 4: Simplify right side
    756,366.90x = 435,086,818,928.45
  5. Step 5: Solve for x
    x = 435,086,818,928.45/756,366.90
  6. Step 6: Final answer
    x = 575,232.49

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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.