Home / 886,010.96-1,326,830.52-505,989.20

Finding the Fourth Proportional to 886,010.96, 1,326,830.52 and 505,989.20

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Solution

The fourth proportional to 886,010.96, 1,326,830.52 and 505,989.20 is: 757,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,010.96 : 1,326,830.52 = 505,989.20 : x
  2. Step 2: Convert to fraction form
    886,010.96/1,326,830.52 = 505,989.20/x
  3. Step 3: Cross multiply
    886,010.96x = 1,326,830.52 × 505,989.20
  4. Step 4: Simplify right side
    886,010.96x = 671,361,913,350.38
  5. Step 5: Solve for x
    x = 671,361,913,350.38/886,010.96
  6. Step 6: Final answer
    x = 757,735.45

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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.