Home / 756,000.12-1,043,281.98-416,474.04

Finding the Fourth Proportional to 756,000.12, 1,043,281.98 and 416,474.04

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Solution

The fourth proportional to 756,000.12, 1,043,281.98 and 416,474.04 is: 574,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,000.12 : 1,043,281.98 = 416,474.04 : x
  2. Step 2: Convert to fraction form
    756,000.12/1,043,281.98 = 416,474.04/x
  3. Step 3: Cross multiply
    756,000.12x = 1,043,281.98 × 416,474.04
  4. Step 4: Simplify right side
    756,000.12x = 434,499,861,069.80
  5. Step 5: Solve for x
    x = 434,499,861,069.80/756,000.12
  6. Step 6: Final answer
    x = 574,735.17

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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.