Home / 1,186,686.80-1,780,079.44-345,238.52

Finding the Fourth Proportional to 1,186,686.80, 1,780,079.44 and 345,238.52

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Solution

The fourth proportional to 1,186,686.80, 1,780,079.44 and 345,238.52 is: 517,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,686.80 : 1,780,079.44 = 345,238.52 : x
  2. Step 2: Convert to fraction form
    1,186,686.80/1,780,079.44 = 345,238.52/x
  3. Step 3: Cross multiply
    1,186,686.80x = 1,780,079.44 × 345,238.52
  4. Step 4: Simplify right side
    1,186,686.80x = 614,551,991,348.03
  5. Step 5: Solve for x
    x = 614,551,991,348.03/1,186,686.80
  6. Step 6: Final answer
    x = 517,872.11

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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.