Home / 833,721.86-1,150,540.18-451,748.54

Finding the Fourth Proportional to 833,721.86, 1,150,540.18 and 451,748.54

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Solution

The fourth proportional to 833,721.86, 1,150,540.18 and 451,748.54 is: 623,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,721.86 : 1,150,540.18 = 451,748.54 : x
  2. Step 2: Convert to fraction form
    833,721.86/1,150,540.18 = 451,748.54/x
  3. Step 3: Cross multiply
    833,721.86x = 1,150,540.18 × 451,748.54
  4. Step 4: Simplify right side
    833,721.86x = 519,754,848,273.32
  5. Step 5: Solve for x
    x = 519,754,848,273.32/833,721.86
  6. Step 6: Final answer
    x = 623,415.16

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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.