Home / 1,465,157.70-2,194,784.10-986,860.80

Finding the Fourth Proportional to 1,465,157.70, 2,194,784.10 and 986,860.80

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Solution

The fourth proportional to 1,465,157.70, 2,194,784.10 and 986,860.80 is: 1,478,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,157.70 : 2,194,784.10 = 986,860.80 : x
  2. Step 2: Convert to fraction form
    1,465,157.70/2,194,784.10 = 986,860.80/x
  3. Step 3: Cross multiply
    1,465,157.70x = 2,194,784.10 × 986,860.80
  4. Step 4: Simplify right side
    1,465,157.70x = 2,165,946,392,753.28
  5. Step 5: Solve for x
    x = 2,165,946,392,753.28/1,465,157.70
  6. Step 6: Final answer
    x = 1,478,302.57

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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.