Home / 908,479.80-1,362,719.70-572,556.60

Finding the Fourth Proportional to 908,479.80, 1,362,719.70 and 572,556.60

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Solution

The fourth proportional to 908,479.80, 1,362,719.70 and 572,556.60 is: 858,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,479.80 : 1,362,719.70 = 572,556.60 : x
  2. Step 2: Convert to fraction form
    908,479.80/1,362,719.70 = 572,556.60/x
  3. Step 3: Cross multiply
    908,479.80x = 1,362,719.70 × 572,556.60
  4. Step 4: Simplify right side
    908,479.80x = 780,234,158,185.02
  5. Step 5: Solve for x
    x = 780,234,158,185.02/908,479.80
  6. Step 6: Final answer
    x = 858,834.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.