Home / 1,160,164.32-1,601,027.52-643,918.41

Finding the Fourth Proportional to 1,160,164.32, 1,601,027.52 and 643,918.41

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Solution

The fourth proportional to 1,160,164.32, 1,601,027.52 and 643,918.41 is: 888,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,164.32 : 1,601,027.52 = 643,918.41 : x
  2. Step 2: Convert to fraction form
    1,160,164.32/1,601,027.52 = 643,918.41/x
  3. Step 3: Cross multiply
    1,160,164.32x = 1,601,027.52 × 643,918.41
  4. Step 4: Simplify right side
    1,160,164.32x = 1,030,931,096,251.99
  5. Step 5: Solve for x
    x = 1,030,931,096,251.99/1,160,164.32
  6. Step 6: Final answer
    x = 888,607.83

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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.