Home / 731,645.40-1,102,951.95-682,875.30

Finding the Fourth Proportional to 731,645.40, 1,102,951.95 and 682,875.30

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Solution

The fourth proportional to 731,645.40, 1,102,951.95 and 682,875.30 is: 1,029,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,645.40 : 1,102,951.95 = 682,875.30 : x
  2. Step 2: Convert to fraction form
    731,645.40/1,102,951.95 = 682,875.30/x
  3. Step 3: Cross multiply
    731,645.40x = 1,102,951.95 × 682,875.30
  4. Step 4: Simplify right side
    731,645.40x = 753,178,643,741.84
  5. Step 5: Solve for x
    x = 753,178,643,741.84/731,645.40
  6. Step 6: Final answer
    x = 1,029,431.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.