Home / 1,681,039.51-2,319,823.53-955,887.28

Finding the Fourth Proportional to 1,681,039.51, 2,319,823.53 and 955,887.28

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Solution

The fourth proportional to 1,681,039.51, 2,319,823.53 and 955,887.28 is: 1,319,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,039.51 : 2,319,823.53 = 955,887.28 : x
  2. Step 2: Convert to fraction form
    1,681,039.51/2,319,823.53 = 955,887.28/x
  3. Step 3: Cross multiply
    1,681,039.51x = 2,319,823.53 × 955,887.28
  4. Step 4: Simplify right side
    1,681,039.51x = 2,217,489,798,372.14
  5. Step 5: Solve for x
    x = 2,217,489,798,372.14/1,681,039.51
  6. Step 6: Final answer
    x = 1,319,118.19

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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.