Home / 672,110.51-927,855.30-455,463.73

Finding the Fourth Proportional to 672,110.51, 927,855.30 and 455,463.73

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Solution

The fourth proportional to 672,110.51, 927,855.30 and 455,463.73 is: 628,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,110.51 : 927,855.30 = 455,463.73 : x
  2. Step 2: Convert to fraction form
    672,110.51/927,855.30 = 455,463.73/x
  3. Step 3: Cross multiply
    672,110.51x = 927,855.30 × 455,463.73
  4. Step 4: Simplify right side
    672,110.51x = 422,604,433,486.89
  5. Step 5: Solve for x
    x = 422,604,433,486.89/672,110.51
  6. Step 6: Final answer
    x = 628,772.24

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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.