Home / 958,771.08-1,438,109.91-359,685.56

Finding the Fourth Proportional to 958,771.08, 1,438,109.91 and 359,685.56

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Solution

The fourth proportional to 958,771.08, 1,438,109.91 and 359,685.56 is: 539,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,771.08 : 1,438,109.91 = 359,685.56 : x
  2. Step 2: Convert to fraction form
    958,771.08/1,438,109.91 = 359,685.56/x
  3. Step 3: Cross multiply
    958,771.08x = 1,438,109.91 × 359,685.56
  4. Step 4: Simplify right side
    958,771.08x = 517,267,371,915.17
  5. Step 5: Solve for x
    x = 517,267,371,915.17/958,771.08
  6. Step 6: Final answer
    x = 539,510.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.