Home / 863,415.50-1,191,841.68-649,177.89

Finding the Fourth Proportional to 863,415.50, 1,191,841.68 and 649,177.89

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Solution

The fourth proportional to 863,415.50, 1,191,841.68 and 649,177.89 is: 896,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,415.50 : 1,191,841.68 = 649,177.89 : x
  2. Step 2: Convert to fraction form
    863,415.50/1,191,841.68 = 649,177.89/x
  3. Step 3: Cross multiply
    863,415.50x = 1,191,841.68 × 649,177.89
  4. Step 4: Simplify right side
    863,415.50x = 773,717,267,036.46
  5. Step 5: Solve for x
    x = 773,717,267,036.46/863,415.50
  6. Step 6: Final answer
    x = 896,112.33

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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.