Home / 1,109,942.18-1,531,720.20-600,644.55

Finding the Fourth Proportional to 1,109,942.18, 1,531,720.20 and 600,644.55

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Solution

The fourth proportional to 1,109,942.18, 1,531,720.20 and 600,644.55 is: 828,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,942.18 : 1,531,720.20 = 600,644.55 : x
  2. Step 2: Convert to fraction form
    1,109,942.18/1,531,720.20 = 600,644.55/x
  3. Step 3: Cross multiply
    1,109,942.18x = 1,531,720.20 × 600,644.55
  4. Step 4: Simplify right side
    1,109,942.18x = 920,019,390,254.91
  5. Step 5: Solve for x
    x = 920,019,390,254.91/1,109,942.18
  6. Step 6: Final answer
    x = 828,889.47

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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.