Home / 940,689.50-1,411,209.24-309,647.66

Finding the Fourth Proportional to 940,689.50, 1,411,209.24 and 309,647.66

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Solution

The fourth proportional to 940,689.50, 1,411,209.24 and 309,647.66 is: 464,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,689.50 : 1,411,209.24 = 309,647.66 : x
  2. Step 2: Convert to fraction form
    940,689.50/1,411,209.24 = 309,647.66/x
  3. Step 3: Cross multiply
    940,689.50x = 1,411,209.24 × 309,647.66
  4. Step 4: Simplify right side
    940,689.50x = 436,977,638,936.38
  5. Step 5: Solve for x
    x = 436,977,638,936.38/940,689.50
  6. Step 6: Final answer
    x = 464,529.09

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Double scale
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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.