Home / 853,743.53-1,178,166.50-471,770.31

Finding the Fourth Proportional to 853,743.53, 1,178,166.50 and 471,770.31

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Solution

The fourth proportional to 853,743.53, 1,178,166.50 and 471,770.31 is: 651,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,743.53 : 1,178,166.50 = 471,770.31 : x
  2. Step 2: Convert to fraction form
    853,743.53/1,178,166.50 = 471,770.31/x
  3. Step 3: Cross multiply
    853,743.53x = 1,178,166.50 × 471,770.31
  4. Step 4: Simplify right side
    853,743.53x = 555,823,976,995.89
  5. Step 5: Solve for x
    x = 555,823,976,995.89/853,743.53
  6. Step 6: Final answer
    x = 651,043.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.