Home / 1,258,891.65-1,737,270.73-685,931.83

Finding the Fourth Proportional to 1,258,891.65, 1,737,270.73 and 685,931.83

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Solution

The fourth proportional to 1,258,891.65, 1,737,270.73 and 685,931.83 is: 946,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,891.65 : 1,737,270.73 = 685,931.83 : x
  2. Step 2: Convert to fraction form
    1,258,891.65/1,737,270.73 = 685,931.83/x
  3. Step 3: Cross multiply
    1,258,891.65x = 1,737,270.73 × 685,931.83
  4. Step 4: Simplify right side
    1,258,891.65x = 1,191,649,284,291.19
  5. Step 5: Solve for x
    x = 1,191,649,284,291.19/1,258,891.65
  6. Step 6: Final answer
    x = 946,586.06

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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.