Home / 1,284,569.07-1,772,680.91-711,613.95

Finding the Fourth Proportional to 1,284,569.07, 1,772,680.91 and 711,613.95

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Solution

The fourth proportional to 1,284,569.07, 1,772,680.91 and 711,613.95 is: 982,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,569.07 : 1,772,680.91 = 711,613.95 : x
  2. Step 2: Convert to fraction form
    1,284,569.07/1,772,680.91 = 711,613.95/x
  3. Step 3: Cross multiply
    1,284,569.07x = 1,772,680.91 × 711,613.95
  4. Step 4: Simplify right side
    1,284,569.07x = 1,261,464,464,454.69
  5. Step 5: Solve for x
    x = 1,261,464,464,454.69/1,284,569.07
  6. Step 6: Final answer
    x = 982,013.73

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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.