Home / 811,525.80-1,119,704.40-524,700.75

Finding the Fourth Proportional to 811,525.80, 1,119,704.40 and 524,700.75

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Solution

The fourth proportional to 811,525.80, 1,119,704.40 and 524,700.75 is: 723,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,525.80 : 1,119,704.40 = 524,700.75 : x
  2. Step 2: Convert to fraction form
    811,525.80/1,119,704.40 = 524,700.75/x
  3. Step 3: Cross multiply
    811,525.80x = 1,119,704.40 × 524,700.75
  4. Step 4: Simplify right side
    811,525.80x = 587,509,738,458.30
  5. Step 5: Solve for x
    x = 587,509,738,458.30/811,525.80
  6. Step 6: Final answer
    x = 723,956.94

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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.