Home / 1,164,136.60-1,744,103.40-489,009.70

Finding the Fourth Proportional to 1,164,136.60, 1,744,103.40 and 489,009.70

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Solution

The fourth proportional to 1,164,136.60, 1,744,103.40 and 489,009.70 is: 732,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,136.60 : 1,744,103.40 = 489,009.70 : x
  2. Step 2: Convert to fraction form
    1,164,136.60/1,744,103.40 = 489,009.70/x
  3. Step 3: Cross multiply
    1,164,136.60x = 1,744,103.40 × 489,009.70
  4. Step 4: Simplify right side
    1,164,136.60x = 852,883,480,402.98
  5. Step 5: Solve for x
    x = 852,883,480,402.98/1,164,136.60
  6. Step 6: Final answer
    x = 732,631.79

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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.