Home / 1,465,109.70-2,197,664.55-986,812.80

Finding the Fourth Proportional to 1,465,109.70, 2,197,664.55 and 986,812.80

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Solution

The fourth proportional to 1,465,109.70, 2,197,664.55 and 986,812.80 is: 1,480,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,109.70 : 2,197,664.55 = 986,812.80 : x
  2. Step 2: Convert to fraction form
    1,465,109.70/2,197,664.55 = 986,812.80/x
  3. Step 3: Cross multiply
    1,465,109.70x = 2,197,664.55 × 986,812.80
  4. Step 4: Simplify right side
    1,465,109.70x = 2,168,683,508,046.24
  5. Step 5: Solve for x
    x = 2,168,683,508,046.24/1,465,109.70
  6. Step 6: Final answer
    x = 1,480,219.20

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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.