Home / 1,018,839.40-1,405,998.58-566,130.40

Finding the Fourth Proportional to 1,018,839.40, 1,405,998.58 and 566,130.40

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Solution

The fourth proportional to 1,018,839.40, 1,405,998.58 and 566,130.40 is: 781,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,839.40 : 1,405,998.58 = 566,130.40 : x
  2. Step 2: Convert to fraction form
    1,018,839.40/1,405,998.58 = 566,130.40/x
  3. Step 3: Cross multiply
    1,018,839.40x = 1,405,998.58 × 566,130.40
  4. Step 4: Simplify right side
    1,018,839.40x = 795,978,538,494.83
  5. Step 5: Solve for x
    x = 795,978,538,494.83/1,018,839.40
  6. Step 6: Final answer
    x = 781,260.07

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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.