Home / 885,817.37-1,326,728.41-411,504.59

Finding the Fourth Proportional to 885,817.37, 1,326,728.41 and 411,504.59

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Solution

The fourth proportional to 885,817.37, 1,326,728.41 and 411,504.59 is: 616,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,817.37 : 1,326,728.41 = 411,504.59 : x
  2. Step 2: Convert to fraction form
    885,817.37/1,326,728.41 = 411,504.59/x
  3. Step 3: Cross multiply
    885,817.37x = 1,326,728.41 × 411,504.59
  4. Step 4: Simplify right side
    885,817.37x = 545,954,830,398.40
  5. Step 5: Solve for x
    x = 545,954,830,398.40/885,817.37
  6. Step 6: Final answer
    x = 616,328.88

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Double scale
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1.5x scale

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.