Home / 885,799.36-1,328,055.36-353,160.64

Finding the Fourth Proportional to 885,799.36, 1,328,055.36 and 353,160.64

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Solution

The fourth proportional to 885,799.36, 1,328,055.36 and 353,160.64 is: 529,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,799.36 : 1,328,055.36 = 353,160.64 : x
  2. Step 2: Convert to fraction form
    885,799.36/1,328,055.36 = 353,160.64/x
  3. Step 3: Cross multiply
    885,799.36x = 1,328,055.36 × 353,160.64
  4. Step 4: Simplify right side
    885,799.36x = 469,016,880,893.03
  5. Step 5: Solve for x
    x = 469,016,880,893.03/885,799.36
  6. Step 6: Final answer
    x = 529,484.33

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Double scale
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Similar ratio
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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.