Home / 476,624.37-714,935.98-121,638.43

Finding the Fourth Proportional to 476,624.37, 714,935.98 and 121,638.43

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Solution

The fourth proportional to 476,624.37, 714,935.98 and 121,638.43 is: 182,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,624.37 : 714,935.98 = 121,638.43 : x
  2. Step 2: Convert to fraction form
    476,624.37/714,935.98 = 121,638.43/x
  3. Step 3: Cross multiply
    476,624.37x = 714,935.98 × 121,638.43
  4. Step 4: Simplify right side
    476,624.37x = 86,963,690,157.71
  5. Step 5: Solve for x
    x = 86,963,690,157.71/476,624.37
  6. Step 6: Final answer
    x = 182,457.50

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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.