Home / 816,485.84-1,126,697.92-453,900.37

Finding the Fourth Proportional to 816,485.84, 1,126,697.92 and 453,900.37

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Solution

The fourth proportional to 816,485.84, 1,126,697.92 and 453,900.37 is: 626,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,485.84 : 1,126,697.92 = 453,900.37 : x
  2. Step 2: Convert to fraction form
    816,485.84/1,126,697.92 = 453,900.37/x
  3. Step 3: Cross multiply
    816,485.84x = 1,126,697.92 × 453,900.37
  4. Step 4: Simplify right side
    816,485.84x = 511,408,600,496.73
  5. Step 5: Solve for x
    x = 511,408,600,496.73/816,485.84
  6. Step 6: Final answer
    x = 626,353.30

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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.