Home / 1,015,106.13-1,400,846.80-556,216.98

Finding the Fourth Proportional to 1,015,106.13, 1,400,846.80 and 556,216.98

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Solution

The fourth proportional to 1,015,106.13, 1,400,846.80 and 556,216.98 is: 767,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,106.13 : 1,400,846.80 = 556,216.98 : x
  2. Step 2: Convert to fraction form
    1,015,106.13/1,400,846.80 = 556,216.98/x
  3. Step 3: Cross multiply
    1,015,106.13x = 1,400,846.80 × 556,216.98
  4. Step 4: Simplify right side
    1,015,106.13x = 779,174,770,546.78
  5. Step 5: Solve for x
    x = 779,174,770,546.78/1,015,106.13
  6. Step 6: Final answer
    x = 767,579.61

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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.