Home / 827,805.76-1,142,466.68-460,319.59

Finding the Fourth Proportional to 827,805.76, 1,142,466.68 and 460,319.59

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Solution

The fourth proportional to 827,805.76, 1,142,466.68 and 460,319.59 is: 635,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,805.76 : 1,142,466.68 = 460,319.59 : x
  2. Step 2: Convert to fraction form
    827,805.76/1,142,466.68 = 460,319.59/x
  3. Step 3: Cross multiply
    827,805.76x = 1,142,466.68 × 460,319.59
  4. Step 4: Simplify right side
    827,805.76x = 525,899,793,726.26
  5. Step 5: Solve for x
    x = 525,899,793,726.26/827,805.76
  6. Step 6: Final answer
    x = 635,293.71

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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.