Home / 905,083.44-1,249,034.92-497,190.94

Finding the Fourth Proportional to 905,083.44, 1,249,034.92 and 497,190.94

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Solution

The fourth proportional to 905,083.44, 1,249,034.92 and 497,190.94 is: 686,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,083.44 : 1,249,034.92 = 497,190.94 : x
  2. Step 2: Convert to fraction form
    905,083.44/1,249,034.92 = 497,190.94/x
  3. Step 3: Cross multiply
    905,083.44x = 1,249,034.92 × 497,190.94
  4. Step 4: Simplify right side
    905,083.44x = 621,008,845,967.63
  5. Step 5: Solve for x
    x = 621,008,845,967.63/905,083.44
  6. Step 6: Final answer
    x = 686,134.36

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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.