Home / 756,238.50-1,043,631.41-416,728.62

Finding the Fourth Proportional to 756,238.50, 1,043,631.41 and 416,728.62

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Solution

The fourth proportional to 756,238.50, 1,043,631.41 and 416,728.62 is: 575,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,238.50 : 1,043,631.41 = 416,728.62 : x
  2. Step 2: Convert to fraction form
    756,238.50/1,043,631.41 = 416,728.62/x
  3. Step 3: Cross multiply
    756,238.50x = 1,043,631.41 × 416,728.62
  4. Step 4: Simplify right side
    756,238.50x = 434,911,075,194.31
  5. Step 5: Solve for x
    x = 434,911,075,194.31/756,238.50
  6. Step 6: Final answer
    x = 575,097.77

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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.