Home / 1,120,062.60-1,679,875.20-372,108.60

Finding the Fourth Proportional to 1,120,062.60, 1,679,875.20 and 372,108.60

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Solution

The fourth proportional to 1,120,062.60, 1,679,875.20 and 372,108.60 is: 558,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,062.60 : 1,679,875.20 = 372,108.60 : x
  2. Step 2: Convert to fraction form
    1,120,062.60/1,679,875.20 = 372,108.60/x
  3. Step 3: Cross multiply
    1,120,062.60x = 1,679,875.20 × 372,108.60
  4. Step 4: Simplify right side
    1,120,062.60x = 625,096,008,846.72
  5. Step 5: Solve for x
    x = 625,096,008,846.72/1,120,062.60
  6. Step 6: Final answer
    x = 558,090.24

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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.