Home / 827,703.83-1,142,254.08-465,160.75

Finding the Fourth Proportional to 827,703.83, 1,142,254.08 and 465,160.75

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Solution

The fourth proportional to 827,703.83, 1,142,254.08 and 465,160.75 is: 641,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,703.83 : 1,142,254.08 = 465,160.75 : x
  2. Step 2: Convert to fraction form
    827,703.83/1,142,254.08 = 465,160.75/x
  3. Step 3: Cross multiply
    827,703.83x = 1,142,254.08 × 465,160.75
  4. Step 4: Simplify right side
    827,703.83x = 531,331,761,687.73
  5. Step 5: Solve for x
    x = 531,331,761,687.73/827,703.83
  6. Step 6: Final answer
    x = 641,934.64

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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.