Home / 868,089.81-1,301,084.96-447,136.05

Finding the Fourth Proportional to 868,089.81, 1,301,084.96 and 447,136.05

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Solution

The fourth proportional to 868,089.81, 1,301,084.96 and 447,136.05 is: 670,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,089.81 : 1,301,084.96 = 447,136.05 : x
  2. Step 2: Convert to fraction form
    868,089.81/1,301,084.96 = 447,136.05/x
  3. Step 3: Cross multiply
    868,089.81x = 1,301,084.96 × 447,136.05
  4. Step 4: Simplify right side
    868,089.81x = 581,761,987,493.13
  5. Step 5: Solve for x
    x = 581,761,987,493.13/868,089.81
  6. Step 6: Final answer
    x = 670,163.36

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1.5x scale

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.