Home / 1,681,561.52-2,320,604.16-917,664.32

Finding the Fourth Proportional to 1,681,561.52, 2,320,604.16 and 917,664.32

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Solution

The fourth proportional to 1,681,561.52, 2,320,604.16 and 917,664.32 is: 1,266,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,561.52 : 2,320,604.16 = 917,664.32 : x
  2. Step 2: Convert to fraction form
    1,681,561.52/2,320,604.16 = 917,664.32/x
  3. Step 3: Cross multiply
    1,681,561.52x = 2,320,604.16 × 917,664.32
  4. Step 4: Simplify right side
    1,681,561.52x = 2,129,535,638,475.57
  5. Step 5: Solve for x
    x = 2,129,535,638,475.57/1,681,561.52
  6. Step 6: Final answer
    x = 1,266,403.65

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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.