Home / 572,260.47-789,756.36-317,611.66

Finding the Fourth Proportional to 572,260.47, 789,756.36 and 317,611.66

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Solution

The fourth proportional to 572,260.47, 789,756.36 and 317,611.66 is: 438,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,260.47 : 789,756.36 = 317,611.66 : x
  2. Step 2: Convert to fraction form
    572,260.47/789,756.36 = 317,611.66/x
  3. Step 3: Cross multiply
    572,260.47x = 789,756.36 × 317,611.66
  4. Step 4: Simplify right side
    572,260.47x = 250,835,826,907.10
  5. Step 5: Solve for x
    x = 250,835,826,907.10/572,260.47
  6. Step 6: Final answer
    x = 438,324.57

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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.