Home / 1,663,722.90-2,494,600.20-866,561.40

Finding the Fourth Proportional to 1,663,722.90, 2,494,600.20 and 866,561.40

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Solution

The fourth proportional to 1,663,722.90, 2,494,600.20 and 866,561.40 is: 1,299,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,722.90 : 2,494,600.20 = 866,561.40 : x
  2. Step 2: Convert to fraction form
    1,663,722.90/2,494,600.20 = 866,561.40/x
  3. Step 3: Cross multiply
    1,663,722.90x = 2,494,600.20 × 866,561.40
  4. Step 4: Simplify right side
    1,663,722.90x = 2,161,724,241,752.28
  5. Step 5: Solve for x
    x = 2,161,724,241,752.28/1,663,722.90
  6. Step 6: Final answer
    x = 1,299,329.50

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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.