Home / 637,554.30-879,793.35-351,020.85

Finding the Fourth Proportional to 637,554.30, 879,793.35 and 351,020.85

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Solution

The fourth proportional to 637,554.30, 879,793.35 and 351,020.85 is: 484,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,554.30 : 879,793.35 = 351,020.85 : x
  2. Step 2: Convert to fraction form
    637,554.30/879,793.35 = 351,020.85/x
  3. Step 3: Cross multiply
    637,554.30x = 879,793.35 × 351,020.85
  4. Step 4: Simplify right side
    637,554.30x = 308,825,809,541.35
  5. Step 5: Solve for x
    x = 308,825,809,541.35/637,554.30
  6. Step 6: Final answer
    x = 484,391.38

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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.