Home / 677,582.94-935,091.12-371,670.24

Finding the Fourth Proportional to 677,582.94, 935,091.12 and 371,670.24

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Solution

The fourth proportional to 677,582.94, 935,091.12 and 371,670.24 is: 512,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,582.94 : 935,091.12 = 371,670.24 : x
  2. Step 2: Convert to fraction form
    677,582.94/935,091.12 = 371,670.24/x
  3. Step 3: Cross multiply
    677,582.94x = 935,091.12 × 371,670.24
  4. Step 4: Simplify right side
    677,582.94x = 347,545,540,992.27
  5. Step 5: Solve for x
    x = 347,545,540,992.27/677,582.94
  6. Step 6: Final answer
    x = 512,919.56

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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.