Home / 935,785.12-1,289,866.80-731,475.04

Finding the Fourth Proportional to 935,785.12, 1,289,866.80 and 731,475.04

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Solution

The fourth proportional to 935,785.12, 1,289,866.80 and 731,475.04 is: 1,008,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,785.12 : 1,289,866.80 = 731,475.04 : x
  2. Step 2: Convert to fraction form
    935,785.12/1,289,866.80 = 731,475.04/x
  3. Step 3: Cross multiply
    935,785.12x = 1,289,866.80 × 731,475.04
  4. Step 4: Simplify right side
    935,785.12x = 943,505,369,124.67
  5. Step 5: Solve for x
    x = 943,505,369,124.67/935,785.12
  6. Step 6: Final answer
    x = 1,008,250.02

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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.