Home / 970,427.07-1,339,198.38-534,859.97

Finding the Fourth Proportional to 970,427.07, 1,339,198.38 and 534,859.97

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Solution

The fourth proportional to 970,427.07, 1,339,198.38 and 534,859.97 is: 738,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,427.07 : 1,339,198.38 = 534,859.97 : x
  2. Step 2: Convert to fraction form
    970,427.07/1,339,198.38 = 534,859.97/x
  3. Step 3: Cross multiply
    970,427.07x = 1,339,198.38 × 534,859.97
  4. Step 4: Simplify right side
    970,427.07x = 716,283,598,654.86
  5. Step 5: Solve for x
    x = 716,283,598,654.86/970,427.07
  6. Step 6: Final answer
    x = 738,111.73

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Double scale
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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.