Home / 932,555.03-1,398,832.47-258,636.34

Finding the Fourth Proportional to 932,555.03, 1,398,832.47 and 258,636.34

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Solution

The fourth proportional to 932,555.03, 1,398,832.47 and 258,636.34 is: 387,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,555.03 : 1,398,832.47 = 258,636.34 : x
  2. Step 2: Convert to fraction form
    932,555.03/1,398,832.47 = 258,636.34/x
  3. Step 3: Cross multiply
    932,555.03x = 1,398,832.47 × 258,636.34
  4. Step 4: Simplify right side
    932,555.03x = 361,788,902,026.62
  5. Step 5: Solve for x
    x = 361,788,902,026.62/932,555.03
  6. Step 6: Final answer
    x = 387,954.48

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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.