Home / 1,101,578.96-1,520,193.48-618,248.72

Finding the Fourth Proportional to 1,101,578.96, 1,520,193.48 and 618,248.72

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Solution

The fourth proportional to 1,101,578.96, 1,520,193.48 and 618,248.72 is: 853,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,578.96 : 1,520,193.48 = 618,248.72 : x
  2. Step 2: Convert to fraction form
    1,101,578.96/1,520,193.48 = 618,248.72/x
  3. Step 3: Cross multiply
    1,101,578.96x = 1,520,193.48 × 618,248.72
  4. Step 4: Simplify right side
    1,101,578.96x = 939,857,673,162.35
  5. Step 5: Solve for x
    x = 939,857,673,162.35/1,101,578.96
  6. Step 6: Final answer
    x = 853,191.38

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Double scale
Find fourth proportional to 1,101,579.96, 1,520,194.86 and 618,249.72
Similar ratio
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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.