Home / 579,144.38-867,756.45-409,825.76

Finding the Fourth Proportional to 579,144.38, 867,756.45 and 409,825.76

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Solution

The fourth proportional to 579,144.38, 867,756.45 and 409,825.76 is: 614,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,144.38 : 867,756.45 = 409,825.76 : x
  2. Step 2: Convert to fraction form
    579,144.38/867,756.45 = 409,825.76/x
  3. Step 3: Cross multiply
    579,144.38x = 867,756.45 × 409,825.76
  4. Step 4: Simplify right side
    579,144.38x = 355,628,946,616.15
  5. Step 5: Solve for x
    x = 355,628,946,616.15/579,144.38
  6. Step 6: Final answer
    x = 614,059.22

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1.5x scale

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.