Home / 941,897.79-1,299,843.59-512,203.05

Finding the Fourth Proportional to 941,897.79, 1,299,843.59 and 512,203.05

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Solution

The fourth proportional to 941,897.79, 1,299,843.59 and 512,203.05 is: 706,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,897.79 : 1,299,843.59 = 512,203.05 : x
  2. Step 2: Convert to fraction form
    941,897.79/1,299,843.59 = 512,203.05/x
  3. Step 3: Cross multiply
    941,897.79x = 1,299,843.59 × 512,203.05
  4. Step 4: Simplify right side
    941,897.79x = 665,783,848,759.93
  5. Step 5: Solve for x
    x = 665,783,848,759.93/941,897.79
  6. Step 6: Final answer
    x = 706,853.61

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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.