Home / 1,681,003.32-2,319,738.66-917,056.68

Finding the Fourth Proportional to 1,681,003.32, 2,319,738.66 and 917,056.68

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Solution

The fourth proportional to 1,681,003.32, 2,319,738.66 and 917,056.68 is: 1,265,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,003.32 : 2,319,738.66 = 917,056.68 : x
  2. Step 2: Convert to fraction form
    1,681,003.32/2,319,738.66 = 917,056.68/x
  3. Step 3: Cross multiply
    1,681,003.32x = 2,319,738.66 × 917,056.68
  4. Step 4: Simplify right side
    1,681,003.32x = 2,127,331,834,007.25
  5. Step 5: Solve for x
    x = 2,127,331,834,007.25/1,681,003.32
  6. Step 6: Final answer
    x = 1,265,513.17

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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.