Home / 526,397.73-789,419.79-171,328.25

Finding the Fourth Proportional to 526,397.73, 789,419.79 and 171,328.25

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Solution

The fourth proportional to 526,397.73, 789,419.79 and 171,328.25 is: 256,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,397.73 : 789,419.79 = 171,328.25 : x
  2. Step 2: Convert to fraction form
    526,397.73/789,419.79 = 171,328.25/x
  3. Step 3: Cross multiply
    526,397.73x = 789,419.79 × 171,328.25
  4. Step 4: Simplify right side
    526,397.73x = 135,249,911,136.07
  5. Step 5: Solve for x
    x = 135,249,911,136.07/526,397.73
  6. Step 6: Final answer
    x = 256,934.83

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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.