Home / 1,258,881.42-1,737,207.60-685,925.88

Finding the Fourth Proportional to 1,258,881.42, 1,737,207.60 and 685,925.88

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Solution

The fourth proportional to 1,258,881.42, 1,737,207.60 and 685,925.88 is: 946,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,881.42 : 1,737,207.60 = 685,925.88 : x
  2. Step 2: Convert to fraction form
    1,258,881.42/1,737,207.60 = 685,925.88/x
  3. Step 3: Cross multiply
    1,258,881.42x = 1,737,207.60 × 685,925.88
  4. Step 4: Simplify right side
    1,258,881.42x = 1,191,595,651,772.69
  5. Step 5: Solve for x
    x = 1,191,595,651,772.69/1,258,881.42
  6. Step 6: Final answer
    x = 946,551.15

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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.