Home / 757,353.58-1,045,005.16-451,458.46

Finding the Fourth Proportional to 757,353.58, 1,045,005.16 and 451,458.46

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Solution

The fourth proportional to 757,353.58, 1,045,005.16 and 451,458.46 is: 622,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,353.58 : 1,045,005.16 = 451,458.46 : x
  2. Step 2: Convert to fraction form
    757,353.58/1,045,005.16 = 451,458.46/x
  3. Step 3: Cross multiply
    757,353.58x = 1,045,005.16 × 451,458.46
  4. Step 4: Simplify right side
    757,353.58x = 471,776,420,225.65
  5. Step 5: Solve for x
    x = 471,776,420,225.65/757,353.58
  6. Step 6: Final answer
    x = 622,927.56

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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.