Home / 671,827.58-927,122.07-370,021.58

Finding the Fourth Proportional to 671,827.58, 927,122.07 and 370,021.58

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Solution

The fourth proportional to 671,827.58, 927,122.07 and 370,021.58 is: 510,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,827.58 : 927,122.07 = 370,021.58 : x
  2. Step 2: Convert to fraction form
    671,827.58/927,122.07 = 370,021.58/x
  3. Step 3: Cross multiply
    671,827.58x = 927,122.07 × 370,021.58
  4. Step 4: Simplify right side
    671,827.58x = 343,055,171,344.16
  5. Step 5: Solve for x
    x = 343,055,171,344.16/671,827.58
  6. Step 6: Final answer
    x = 510,629.78

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Double scale
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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.