Home / 572,273.46-789,707.88-339,710.16

Finding the Fourth Proportional to 572,273.46, 789,707.88 and 339,710.16

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Solution

The fourth proportional to 572,273.46, 789,707.88 and 339,710.16 is: 468,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,273.46 : 789,707.88 = 339,710.16 : x
  2. Step 2: Convert to fraction form
    572,273.46/789,707.88 = 339,710.16/x
  3. Step 3: Cross multiply
    572,273.46x = 789,707.88 × 339,710.16
  4. Step 4: Simplify right side
    572,273.46x = 268,271,790,268.06
  5. Step 5: Solve for x
    x = 268,271,790,268.06/572,273.46
  6. Step 6: Final answer
    x = 468,782.51

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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.