Home / 961,834-1,441,813.40-401,028.88

Finding the Fourth Proportional to 961,834, 1,441,813.40 and 401,028.88

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Solution

The fourth proportional to 961,834, 1,441,813.40 and 401,028.88 is: 601,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,834 : 1,441,813.40 = 401,028.88 : x
  2. Step 2: Convert to fraction form
    961,834/1,441,813.40 = 401,028.88/x
  3. Step 3: Cross multiply
    961,834x = 1,441,813.40 × 401,028.88
  4. Step 4: Simplify right side
    961,834x = 578,208,812,970.99
  5. Step 5: Solve for x
    x = 578,208,812,970.99/961,834
  6. Step 6: Final answer
    x = 601,152.40

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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.