Home / 1,258,894.17-1,737,274.20-685,934.35

Finding the Fourth Proportional to 1,258,894.17, 1,737,274.20 and 685,934.35

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Solution

The fourth proportional to 1,258,894.17, 1,737,274.20 and 685,934.35 is: 946,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,894.17 : 1,737,274.20 = 685,934.35 : x
  2. Step 2: Convert to fraction form
    1,258,894.17/1,737,274.20 = 685,934.35/x
  3. Step 3: Cross multiply
    1,258,894.17x = 1,737,274.20 × 685,934.35
  4. Step 4: Simplify right side
    1,258,894.17x = 1,191,656,049,148.77
  5. Step 5: Solve for x
    x = 1,191,656,049,148.77/1,258,894.17
  6. Step 6: Final answer
    x = 946,589.54

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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.