Home / 649,724.49-975,470.94-365,615.77

Finding the Fourth Proportional to 649,724.49, 975,470.94 and 365,615.77

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Solution

The fourth proportional to 649,724.49, 975,470.94 and 365,615.77 is: 548,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,724.49 : 975,470.94 = 365,615.77 : x
  2. Step 2: Convert to fraction form
    649,724.49/975,470.94 = 365,615.77/x
  3. Step 3: Cross multiply
    649,724.49x = 975,470.94 × 365,615.77
  4. Step 4: Simplify right side
    649,724.49x = 356,647,558,840.72
  5. Step 5: Solve for x
    x = 356,647,558,840.72/649,724.49
  6. Step 6: Final answer
    x = 548,921.22

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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.