Home / 612,664.57-918,997.26-191,973.25

Finding the Fourth Proportional to 612,664.57, 918,997.26 and 191,973.25

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Solution

The fourth proportional to 612,664.57, 918,997.26 and 191,973.25 is: 287,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,664.57 : 918,997.26 = 191,973.25 : x
  2. Step 2: Convert to fraction form
    612,664.57/918,997.26 = 191,973.25/x
  3. Step 3: Cross multiply
    612,664.57x = 918,997.26 × 191,973.25
  4. Step 4: Simplify right side
    612,664.57x = 176,422,890,743.30
  5. Step 5: Solve for x
    x = 176,422,890,743.30/612,664.57
  6. Step 6: Final answer
    x = 287,960.00

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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.