Home / 811,076.99-1,118,914.22-524,689.43

Finding the Fourth Proportional to 811,076.99, 1,118,914.22 and 524,689.43

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Solution

The fourth proportional to 811,076.99, 1,118,914.22 and 524,689.43 is: 723,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,076.99 : 1,118,914.22 = 524,689.43 : x
  2. Step 2: Convert to fraction form
    811,076.99/1,118,914.22 = 524,689.43/x
  3. Step 3: Cross multiply
    811,076.99x = 1,118,914.22 × 524,689.43
  4. Step 4: Simplify right side
    811,076.99x = 587,082,461,687.25
  5. Step 5: Solve for x
    x = 587,082,461,687.25/811,076.99
  6. Step 6: Final answer
    x = 723,830.74

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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.