Home / 482,519.49-723,784.43-145,563.06

Finding the Fourth Proportional to 482,519.49, 723,784.43 and 145,563.06

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Solution

The fourth proportional to 482,519.49, 723,784.43 and 145,563.06 is: 218,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,519.49 : 723,784.43 = 145,563.06 : x
  2. Step 2: Convert to fraction form
    482,519.49/723,784.43 = 145,563.06/x
  3. Step 3: Cross multiply
    482,519.49x = 723,784.43 × 145,563.06
  4. Step 4: Simplify right side
    482,519.49x = 105,356,276,411.16
  5. Step 5: Solve for x
    x = 105,356,276,411.16/482,519.49
  6. Step 6: Final answer
    x = 218,346.16

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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.