Home / 986,217.10-1,478,090.72-529,686.43

Finding the Fourth Proportional to 986,217.10, 1,478,090.72 and 529,686.43

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Solution

The fourth proportional to 986,217.10, 1,478,090.72 and 529,686.43 is: 793,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,217.10 : 1,478,090.72 = 529,686.43 : x
  2. Step 2: Convert to fraction form
    986,217.10/1,478,090.72 = 529,686.43/x
  3. Step 3: Cross multiply
    986,217.10x = 1,478,090.72 × 529,686.43
  4. Step 4: Simplify right side
    986,217.10x = 782,924,594,321.92
  5. Step 5: Solve for x
    x = 782,924,594,321.92/986,217.10
  6. Step 6: Final answer
    x = 793,866.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.