Home / 740,186.73-1,109,798.96-290,951.55

Finding the Fourth Proportional to 740,186.73, 1,109,798.96 and 290,951.55

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Solution

The fourth proportional to 740,186.73, 1,109,798.96 and 290,951.55 is: 436,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,186.73 : 1,109,798.96 = 290,951.55 : x
  2. Step 2: Convert to fraction form
    740,186.73/1,109,798.96 = 290,951.55/x
  3. Step 3: Cross multiply
    740,186.73x = 1,109,798.96 × 290,951.55
  4. Step 4: Simplify right side
    740,186.73x = 322,897,726,145.63
  5. Step 5: Solve for x
    x = 322,897,726,145.63/740,186.73
  6. Step 6: Final answer
    x = 436,238.20

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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.