Home / 891,853.89-1,230,741.27-504,662.25

Finding the Fourth Proportional to 891,853.89, 1,230,741.27 and 504,662.25

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Solution

The fourth proportional to 891,853.89, 1,230,741.27 and 504,662.25 is: 696,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,853.89 : 1,230,741.27 = 504,662.25 : x
  2. Step 2: Convert to fraction form
    891,853.89/1,230,741.27 = 504,662.25/x
  3. Step 3: Cross multiply
    891,853.89x = 1,230,741.27 × 504,662.25
  4. Step 4: Simplify right side
    891,853.89x = 621,108,658,486.06
  5. Step 5: Solve for x
    x = 621,108,658,486.06/891,853.89
  6. Step 6: Final answer
    x = 696,424.23

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Double scale
Find fourth proportional to 891,854.89, 1,230,742.65 and 504,663.25
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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.