Home / 691,014.05-953,586.42-385,083.69

Finding the Fourth Proportional to 691,014.05, 953,586.42 and 385,083.69

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Solution

The fourth proportional to 691,014.05, 953,586.42 and 385,083.69 is: 531,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,014.05 : 953,586.42 = 385,083.69 : x
  2. Step 2: Convert to fraction form
    691,014.05/953,586.42 = 385,083.69/x
  3. Step 3: Cross multiply
    691,014.05x = 953,586.42 × 385,083.69
  4. Step 4: Simplify right side
    691,014.05x = 367,210,577,347.49
  5. Step 5: Solve for x
    x = 367,210,577,347.49/691,014.05
  6. Step 6: Final answer
    x = 531,408.27

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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.