Home / 1,681,003.57-2,319,739-917,056.93

Finding the Fourth Proportional to 1,681,003.57, 2,319,739 and 917,056.93

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Solution

The fourth proportional to 1,681,003.57, 2,319,739 and 917,056.93 is: 1,265,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,003.57 : 2,319,739 = 917,056.93 : x
  2. Step 2: Convert to fraction form
    1,681,003.57/2,319,739 = 917,056.93/x
  3. Step 3: Cross multiply
    1,681,003.57x = 2,319,739 × 917,056.93
  4. Step 4: Simplify right side
    1,681,003.57x = 2,127,332,725,741.27
  5. Step 5: Solve for x
    x = 2,127,332,725,741.27/1,681,003.57
  6. Step 6: Final answer
    x = 1,265,513.51

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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.