Home / 916,849.44-1,374,962.58-317,670.71

Finding the Fourth Proportional to 916,849.44, 1,374,962.58 and 317,670.71

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Solution

The fourth proportional to 916,849.44, 1,374,962.58 and 317,670.71 is: 476,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,849.44 : 1,374,962.58 = 317,670.71 : x
  2. Step 2: Convert to fraction form
    916,849.44/1,374,962.58 = 317,670.71/x
  3. Step 3: Cross multiply
    916,849.44x = 1,374,962.58 × 317,670.71
  4. Step 4: Simplify right side
    916,849.44x = 436,785,332,137.22
  5. Step 5: Solve for x
    x = 436,785,332,137.22/916,849.44
  6. Step 6: Final answer
    x = 476,398.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.