Home / 1,018,655.80-1,526,234.10-485,027.80

Finding the Fourth Proportional to 1,018,655.80, 1,526,234.10 and 485,027.80

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Solution

The fourth proportional to 1,018,655.80, 1,526,234.10 and 485,027.80 is: 726,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,655.80 : 1,526,234.10 = 485,027.80 : x
  2. Step 2: Convert to fraction form
    1,018,655.80/1,526,234.10 = 485,027.80/x
  3. Step 3: Cross multiply
    1,018,655.80x = 1,526,234.10 × 485,027.80
  4. Step 4: Simplify right side
    1,018,655.80x = 740,265,967,807.98
  5. Step 5: Solve for x
    x = 740,265,967,807.98/1,018,655.80
  6. Step 6: Final answer
    x = 726,708.64

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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.