Home / 785,089.94-1,083,450.29-440,986.55

Finding the Fourth Proportional to 785,089.94, 1,083,450.29 and 440,986.55

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Solution

The fourth proportional to 785,089.94, 1,083,450.29 and 440,986.55 is: 608,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,089.94 : 1,083,450.29 = 440,986.55 : x
  2. Step 2: Convert to fraction form
    785,089.94/1,083,450.29 = 440,986.55/x
  3. Step 3: Cross multiply
    785,089.94x = 1,083,450.29 × 440,986.55
  4. Step 4: Simplify right side
    785,089.94x = 477,786,997,861.42
  5. Step 5: Solve for x
    x = 477,786,997,861.42/785,089.94
  6. Step 6: Final answer
    x = 608,576.13

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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.