Home / 572,019.74-789,436.26-313,946.56

Finding the Fourth Proportional to 572,019.74, 789,436.26 and 313,946.56

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Solution

The fourth proportional to 572,019.74, 789,436.26 and 313,946.56 is: 433,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,019.74 : 789,436.26 = 313,946.56 : x
  2. Step 2: Convert to fraction form
    572,019.74/789,436.26 = 313,946.56/x
  3. Step 3: Cross multiply
    572,019.74x = 789,436.26 × 313,946.56
  4. Step 4: Simplify right side
    572,019.74x = 247,840,798,166.27
  5. Step 5: Solve for x
    x = 247,840,798,166.27/572,019.74
  6. Step 6: Final answer
    x = 433,273.16

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1.5x scale

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.