Home / 946,222.40-1,305,739.68-516,520.64

Finding the Fourth Proportional to 946,222.40, 1,305,739.68 and 516,520.64

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Solution

The fourth proportional to 946,222.40, 1,305,739.68 and 516,520.64 is: 712,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,222.40 : 1,305,739.68 = 516,520.64 : x
  2. Step 2: Convert to fraction form
    946,222.40/1,305,739.68 = 516,520.64/x
  3. Step 3: Cross multiply
    946,222.40x = 1,305,739.68 × 516,520.64
  4. Step 4: Simplify right side
    946,222.40x = 674,441,495,187.00
  5. Step 5: Solve for x
    x = 674,441,495,187.00/946,222.40
  6. Step 6: Final answer
    x = 712,772.70

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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.