Home / 572,370.12-789,831.24-317,701.26

Finding the Fourth Proportional to 572,370.12, 789,831.24 and 317,701.26

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Solution

The fourth proportional to 572,370.12, 789,831.24 and 317,701.26 is: 438,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,370.12 : 789,831.24 = 317,701.26 : x
  2. Step 2: Convert to fraction form
    572,370.12/789,831.24 = 317,701.26/x
  3. Step 3: Cross multiply
    572,370.12x = 789,831.24 × 317,701.26
  4. Step 4: Simplify right side
    572,370.12x = 250,930,380,135.36
  5. Step 5: Solve for x
    x = 250,930,380,135.36/572,370.12
  6. Step 6: Final answer
    x = 438,405.80

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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.