Home / 1,258,894.50-1,737,274.60-685,934.72

Finding the Fourth Proportional to 1,258,894.50, 1,737,274.60 and 685,934.72

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Solution

The fourth proportional to 1,258,894.50, 1,737,274.60 and 685,934.72 is: 946,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,894.50 : 1,737,274.60 = 685,934.72 : x
  2. Step 2: Convert to fraction form
    1,258,894.50/1,737,274.60 = 685,934.72/x
  3. Step 3: Cross multiply
    1,258,894.50x = 1,737,274.60 × 685,934.72
  4. Step 4: Simplify right side
    1,258,894.50x = 1,191,656,966,314.11
  5. Step 5: Solve for x
    x = 1,191,656,966,314.11/1,258,894.50
  6. Step 6: Final answer
    x = 946,590.02

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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.