Home / 946,920.80-1,420,580.67-307,174.58

Finding the Fourth Proportional to 946,920.80, 1,420,580.67 and 307,174.58

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Solution

The fourth proportional to 946,920.80, 1,420,580.67 and 307,174.58 is: 460,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,920.80 : 1,420,580.67 = 307,174.58 : x
  2. Step 2: Convert to fraction form
    946,920.80/1,420,580.67 = 307,174.58/x
  3. Step 3: Cross multiply
    946,920.80x = 1,420,580.67 × 307,174.58
  4. Step 4: Simplify right side
    946,920.80x = 436,366,270,663.37
  5. Step 5: Solve for x
    x = 436,366,270,663.37/946,920.80
  6. Step 6: Final answer
    x = 460,826.58

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1.5x scale

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.