Home / 988,133.18-1,363,634.46-580,239.86

Finding the Fourth Proportional to 988,133.18, 1,363,634.46 and 580,239.86

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Solution

The fourth proportional to 988,133.18, 1,363,634.46 and 580,239.86 is: 800,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,133.18 : 1,363,634.46 = 580,239.86 : x
  2. Step 2: Convert to fraction form
    988,133.18/1,363,634.46 = 580,239.86/x
  3. Step 3: Cross multiply
    988,133.18x = 1,363,634.46 × 580,239.86
  4. Step 4: Simplify right side
    988,133.18x = 791,235,061,343.40
  5. Step 5: Solve for x
    x = 791,235,061,343.40/988,133.18
  6. Step 6: Final answer
    x = 800,737.27

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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.