Home / 1,241,638.20-1,862,894.70-610,129.80

Finding the Fourth Proportional to 1,241,638.20, 1,862,894.70 and 610,129.80

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Solution

The fourth proportional to 1,241,638.20, 1,862,894.70 and 610,129.80 is: 915,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,638.20 : 1,862,894.70 = 610,129.80 : x
  2. Step 2: Convert to fraction form
    1,241,638.20/1,862,894.70 = 610,129.80/x
  3. Step 3: Cross multiply
    1,241,638.20x = 1,862,894.70 × 610,129.80
  4. Step 4: Simplify right side
    1,241,638.20x = 1,136,607,570,732.06
  5. Step 5: Solve for x
    x = 1,136,607,570,732.06/1,241,638.20
  6. Step 6: Final answer
    x = 915,409.63

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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.