Home / 1,520,320.56-2,098,098.36-983,776.56

Finding the Fourth Proportional to 1,520,320.56, 2,098,098.36 and 983,776.56

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Solution

The fourth proportional to 1,520,320.56, 2,098,098.36 and 983,776.56 is: 1,357,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,320.56 : 2,098,098.36 = 983,776.56 : x
  2. Step 2: Convert to fraction form
    1,520,320.56/2,098,098.36 = 983,776.56/x
  3. Step 3: Cross multiply
    1,520,320.56x = 2,098,098.36 × 983,776.56
  4. Step 4: Simplify right side
    1,520,320.56x = 2,064,059,987,142.44
  5. Step 5: Solve for x
    x = 2,064,059,987,142.44/1,520,320.56
  6. Step 6: Final answer
    x = 1,357,647.88

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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.