Home / 1,026,857.56-1,538,782.62-578,452.36

Finding the Fourth Proportional to 1,026,857.56, 1,538,782.62 and 578,452.36

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Solution

The fourth proportional to 1,026,857.56, 1,538,782.62 and 578,452.36 is: 866,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,857.56 : 1,538,782.62 = 578,452.36 : x
  2. Step 2: Convert to fraction form
    1,026,857.56/1,538,782.62 = 578,452.36/x
  3. Step 3: Cross multiply
    1,026,857.56x = 1,538,782.62 × 578,452.36
  4. Step 4: Simplify right side
    1,026,857.56x = 890,112,438,065.98
  5. Step 5: Solve for x
    x = 890,112,438,065.98/1,026,857.56
  6. Step 6: Final answer
    x = 866,831.46

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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.