Home / 1,681,568.20-2,320,613.13-917,670.97

Finding the Fourth Proportional to 1,681,568.20, 2,320,613.13 and 917,670.97

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Solution

The fourth proportional to 1,681,568.20, 2,320,613.13 and 917,670.97 is: 1,266,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,568.20 : 2,320,613.13 = 917,670.97 : x
  2. Step 2: Convert to fraction form
    1,681,568.20/2,320,613.13 = 917,670.97/x
  3. Step 3: Cross multiply
    1,681,568.20x = 2,320,613.13 × 917,670.97
  4. Step 4: Simplify right side
    1,681,568.20x = 2,129,559,299,641.57
  5. Step 5: Solve for x
    x = 2,129,559,299,641.57/1,681,568.20
  6. Step 6: Final answer
    x = 1,266,412.69

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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.