Home / 1,176,189.47-1,622,543.01-768,529.63

Finding the Fourth Proportional to 1,176,189.47, 1,622,543.01 and 768,529.63

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Solution

The fourth proportional to 1,176,189.47, 1,622,543.01 and 768,529.63 is: 1,060,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,189.47 : 1,622,543.01 = 768,529.63 : x
  2. Step 2: Convert to fraction form
    1,176,189.47/1,622,543.01 = 768,529.63/x
  3. Step 3: Cross multiply
    1,176,189.47x = 1,622,543.01 × 768,529.63
  4. Step 4: Simplify right side
    1,176,189.47x = 1,246,972,379,134.39
  5. Step 5: Solve for x
    x = 1,246,972,379,134.39/1,176,189.47
  6. Step 6: Final answer
    x = 1,060,179.85

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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.