Home / 740,188.67-1,109,801.86-290,953.49

Finding the Fourth Proportional to 740,188.67, 1,109,801.86 and 290,953.49

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Solution

The fourth proportional to 740,188.67, 1,109,801.86 and 290,953.49 is: 436,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,188.67 : 1,109,801.86 = 290,953.49 : x
  2. Step 2: Convert to fraction form
    740,188.67/1,109,801.86 = 290,953.49/x
  3. Step 3: Cross multiply
    740,188.67x = 1,109,801.86 × 290,953.49
  4. Step 4: Simplify right side
    740,188.67x = 322,900,724,375.49
  5. Step 5: Solve for x
    x = 322,900,724,375.49/740,188.67
  6. Step 6: Final answer
    x = 436,241.11

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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.