Home / 501,786.10-692,439.40-297,845.92

Finding the Fourth Proportional to 501,786.10, 692,439.40 and 297,845.92

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Solution

The fourth proportional to 501,786.10, 692,439.40 and 297,845.92 is: 411,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,786.10 : 692,439.40 = 297,845.92 : x
  2. Step 2: Convert to fraction form
    501,786.10/692,439.40 = 297,845.92/x
  3. Step 3: Cross multiply
    501,786.10x = 692,439.40 × 297,845.92
  4. Step 4: Simplify right side
    501,786.10x = 206,240,250,137.25
  5. Step 5: Solve for x
    x = 206,240,250,137.25/501,786.10
  6. Step 6: Final answer
    x = 411,012.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.