Home / 784,539.80-1,176,983.94-223,579.16

Finding the Fourth Proportional to 784,539.80, 1,176,983.94 and 223,579.16

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Solution

The fourth proportional to 784,539.80, 1,176,983.94 and 223,579.16 is: 335,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,539.80 : 1,176,983.94 = 223,579.16 : x
  2. Step 2: Convert to fraction form
    784,539.80/1,176,983.94 = 223,579.16/x
  3. Step 3: Cross multiply
    784,539.80x = 1,176,983.94 × 223,579.16
  4. Step 4: Simplify right side
    784,539.80x = 263,149,080,638.69
  5. Step 5: Solve for x
    x = 263,149,080,638.69/784,539.80
  6. Step 6: Final answer
    x = 335,418.40

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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.