Home / 1,056,145.29-1,457,667.11-620,562.55

Finding the Fourth Proportional to 1,056,145.29, 1,457,667.11 and 620,562.55

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Solution

The fourth proportional to 1,056,145.29, 1,457,667.11 and 620,562.55 is: 856,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,145.29 : 1,457,667.11 = 620,562.55 : x
  2. Step 2: Convert to fraction form
    1,056,145.29/1,457,667.11 = 620,562.55/x
  3. Step 3: Cross multiply
    1,056,145.29x = 1,457,667.11 × 620,562.55
  4. Step 4: Simplify right side
    1,056,145.29x = 904,573,615,729.92
  5. Step 5: Solve for x
    x = 904,573,615,729.92/1,056,145.29
  6. Step 6: Final answer
    x = 856,485.96

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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.