Home / 1,057,904.37-1,587,125.07-489,695.04

Finding the Fourth Proportional to 1,057,904.37, 1,587,125.07 and 489,695.04

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Solution

The fourth proportional to 1,057,904.37, 1,587,125.07 and 489,695.04 is: 734,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,904.37 : 1,587,125.07 = 489,695.04 : x
  2. Step 2: Convert to fraction form
    1,057,904.37/1,587,125.07 = 489,695.04/x
  3. Step 3: Cross multiply
    1,057,904.37x = 1,587,125.07 × 489,695.04
  4. Step 4: Simplify right side
    1,057,904.37x = 777,207,274,638.65
  5. Step 5: Solve for x
    x = 777,207,274,638.65/1,057,904.37
  6. Step 6: Final answer
    x = 734,666.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.