Home / 1,319,976.54-1,821,567.15-716,364.54

Finding the Fourth Proportional to 1,319,976.54, 1,821,567.15 and 716,364.54

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Solution

The fourth proportional to 1,319,976.54, 1,821,567.15 and 716,364.54 is: 988,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,976.54 : 1,821,567.15 = 716,364.54 : x
  2. Step 2: Convert to fraction form
    1,319,976.54/1,821,567.15 = 716,364.54/x
  3. Step 3: Cross multiply
    1,319,976.54x = 1,821,567.15 × 716,364.54
  4. Step 4: Simplify right side
    1,319,976.54x = 1,304,906,113,488.86
  5. Step 5: Solve for x
    x = 1,304,906,113,488.86/1,319,976.54
  6. Step 6: Final answer
    x = 988,582.81

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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.