Home / 749,907.72-1,125,026.82-217,450.98

Finding the Fourth Proportional to 749,907.72, 1,125,026.82 and 217,450.98

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Solution

The fourth proportional to 749,907.72, 1,125,026.82 and 217,450.98 is: 326,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,907.72 : 1,125,026.82 = 217,450.98 : x
  2. Step 2: Convert to fraction form
    749,907.72/1,125,026.82 = 217,450.98/x
  3. Step 3: Cross multiply
    749,907.72x = 1,125,026.82 × 217,450.98
  4. Step 4: Simplify right side
    749,907.72x = 244,638,184,535.28
  5. Step 5: Solve for x
    x = 244,638,184,535.28/749,907.72
  6. Step 6: Final answer
    x = 326,224.38

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Double scale
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Similar ratio
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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.