Home / 544,904.20-816,578.70-401,631.40

Finding the Fourth Proportional to 544,904.20, 816,578.70 and 401,631.40

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Solution

The fourth proportional to 544,904.20, 816,578.70 and 401,631.40 is: 601,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,904.20 : 816,578.70 = 401,631.40 : x
  2. Step 2: Convert to fraction form
    544,904.20/816,578.70 = 401,631.40/x
  3. Step 3: Cross multiply
    544,904.20x = 816,578.70 × 401,631.40
  4. Step 4: Simplify right side
    544,904.20x = 327,963,646,491.18
  5. Step 5: Solve for x
    x = 327,963,646,491.18/544,904.20
  6. Step 6: Final answer
    x = 601,873.96

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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.