Home / 946,047.53-1,306,631.63-689,069.36

Finding the Fourth Proportional to 946,047.53, 1,306,631.63 and 689,069.36

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Solution

The fourth proportional to 946,047.53, 1,306,631.63 and 689,069.36 is: 951,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,047.53 : 1,306,631.63 = 689,069.36 : x
  2. Step 2: Convert to fraction form
    946,047.53/1,306,631.63 = 689,069.36/x
  3. Step 3: Cross multiply
    946,047.53x = 1,306,631.63 × 689,069.36
  4. Step 4: Simplify right side
    946,047.53x = 900,359,816,229.37
  5. Step 5: Solve for x
    x = 900,359,816,229.37/946,047.53
  6. Step 6: Final answer
    x = 951,706.75

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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.