Home / 1,051,694.80-1,577,657.40-1,018,517.20

Finding the Fourth Proportional to 1,051,694.80, 1,577,657.40 and 1,018,517.20

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Solution

The fourth proportional to 1,051,694.80, 1,577,657.40 and 1,018,517.20 is: 1,527,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,694.80 : 1,577,657.40 = 1,018,517.20 : x
  2. Step 2: Convert to fraction form
    1,051,694.80/1,577,657.40 = 1,018,517.20/x
  3. Step 3: Cross multiply
    1,051,694.80x = 1,577,657.40 × 1,018,517.20
  4. Step 4: Simplify right side
    1,051,694.80x = 1,606,871,197,607.28
  5. Step 5: Solve for x
    x = 1,606,871,197,607.28/1,051,694.80
  6. Step 6: Final answer
    x = 1,527,887.37

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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.