Home / 1,028,816.55-1,536,967.05-666,031.86

Finding the Fourth Proportional to 1,028,816.55, 1,536,967.05 and 666,031.86

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Solution

The fourth proportional to 1,028,816.55, 1,536,967.05 and 666,031.86 is: 994,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,816.55 : 1,536,967.05 = 666,031.86 : x
  2. Step 2: Convert to fraction form
    1,028,816.55/1,536,967.05 = 666,031.86/x
  3. Step 3: Cross multiply
    1,028,816.55x = 1,536,967.05 × 666,031.86
  4. Step 4: Simplify right side
    1,028,816.55x = 1,023,669,023,070.21
  5. Step 5: Solve for x
    x = 1,023,669,023,070.21/1,028,816.55
  6. Step 6: Final answer
    x = 994,996.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.