Home / 757,307.66-1,045,089.60-413,149.04

Finding the Fourth Proportional to 757,307.66, 1,045,089.60 and 413,149.04

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Solution

The fourth proportional to 757,307.66, 1,045,089.60 and 413,149.04 is: 570,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,307.66 : 1,045,089.60 = 413,149.04 : x
  2. Step 2: Convert to fraction form
    757,307.66/1,045,089.60 = 413,149.04/x
  3. Step 3: Cross multiply
    757,307.66x = 1,045,089.60 × 413,149.04
  4. Step 4: Simplify right side
    757,307.66x = 431,777,762,888.24
  5. Step 5: Solve for x
    x = 431,777,762,888.24/757,307.66
  6. Step 6: Final answer
    x = 570,148.42

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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.