Home / 1,520,855.40-2,098,560.78-841,790.28

Finding the Fourth Proportional to 1,520,855.40, 2,098,560.78 and 841,790.28

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Solution

The fourth proportional to 1,520,855.40, 2,098,560.78 and 841,790.28 is: 1,161,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,855.40 : 2,098,560.78 = 841,790.28 : x
  2. Step 2: Convert to fraction form
    1,520,855.40/2,098,560.78 = 841,790.28/x
  3. Step 3: Cross multiply
    1,520,855.40x = 2,098,560.78 × 841,790.28
  4. Step 4: Simplify right side
    1,520,855.40x = 1,766,548,066,593.22
  5. Step 5: Solve for x
    x = 1,766,548,066,593.22/1,520,855.40
  6. Step 6: Final answer
    x = 1,161,549.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.