Home / 1,394,458.30-1,924,545.50-782,647.48

Finding the Fourth Proportional to 1,394,458.30, 1,924,545.50 and 782,647.48

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Solution

The fourth proportional to 1,394,458.30, 1,924,545.50 and 782,647.48 is: 1,080,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,458.30 : 1,924,545.50 = 782,647.48 : x
  2. Step 2: Convert to fraction form
    1,394,458.30/1,924,545.50 = 782,647.48/x
  3. Step 3: Cross multiply
    1,394,458.30x = 1,924,545.50 × 782,647.48
  4. Step 4: Simplify right side
    1,394,458.30x = 1,506,240,685,720.34
  5. Step 5: Solve for x
    x = 1,506,240,685,720.34/1,394,458.30
  6. Step 6: Final answer
    x = 1,080,161.87

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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.