Home / 1,058,881.68-1,587,021.26-489,492.59

Finding the Fourth Proportional to 1,058,881.68, 1,587,021.26 and 489,492.59

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Solution

The fourth proportional to 1,058,881.68, 1,587,021.26 and 489,492.59 is: 733,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,881.68 : 1,587,021.26 = 489,492.59 : x
  2. Step 2: Convert to fraction form
    1,058,881.68/1,587,021.26 = 489,492.59/x
  3. Step 3: Cross multiply
    1,058,881.68x = 1,587,021.26 × 489,492.59
  4. Step 4: Simplify right side
    1,058,881.68x = 776,835,136,559.89
  5. Step 5: Solve for x
    x = 776,835,136,559.89/1,058,881.68
  6. Step 6: Final answer
    x = 733,637.34

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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.