Home / 757,813.11-1,045,807.41-413,669.43

Finding the Fourth Proportional to 757,813.11, 1,045,807.41 and 413,669.43

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Solution

The fourth proportional to 757,813.11, 1,045,807.41 and 413,669.43 is: 570,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,813.11 : 1,045,807.41 = 413,669.43 : x
  2. Step 2: Convert to fraction form
    757,813.11/1,045,807.41 = 413,669.43/x
  3. Step 3: Cross multiply
    757,813.11x = 1,045,807.41 × 413,669.43
  4. Step 4: Simplify right side
    757,813.11x = 432,618,554,408.85
  5. Step 5: Solve for x
    x = 432,618,554,408.85/757,813.11
  6. Step 6: Final answer
    x = 570,877.64

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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.