Home / 827,548.77-1,141,985.49-464,987.91

Finding the Fourth Proportional to 827,548.77, 1,141,985.49 and 464,987.91

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Solution

The fourth proportional to 827,548.77, 1,141,985.49 and 464,987.91 is: 641,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,548.77 : 1,141,985.49 = 464,987.91 : x
  2. Step 2: Convert to fraction form
    827,548.77/1,141,985.49 = 464,987.91/x
  3. Step 3: Cross multiply
    827,548.77x = 1,141,985.49 × 464,987.91
  4. Step 4: Simplify right side
    827,548.77x = 531,009,446,245.43
  5. Step 5: Solve for x
    x = 531,009,446,245.43/827,548.77
  6. Step 6: Final answer
    x = 641,665.44

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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.