Home / 1,113,916.80-1,536,941.64-630,481.88

Finding the Fourth Proportional to 1,113,916.80, 1,536,941.64 and 630,481.88

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Solution

The fourth proportional to 1,113,916.80, 1,536,941.64 and 630,481.88 is: 869,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,916.80 : 1,536,941.64 = 630,481.88 : x
  2. Step 2: Convert to fraction form
    1,113,916.80/1,536,941.64 = 630,481.88/x
  3. Step 3: Cross multiply
    1,113,916.80x = 1,536,941.64 × 630,481.88
  4. Step 4: Simplify right side
    1,113,916.80x = 969,013,854,637.48
  5. Step 5: Solve for x
    x = 969,013,854,637.48/1,113,916.80
  6. Step 6: Final answer
    x = 869,915.83

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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.