Home / 666,585.64-1,000,025.34-193,290.76

Finding the Fourth Proportional to 666,585.64, 1,000,025.34 and 193,290.76

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Solution

The fourth proportional to 666,585.64, 1,000,025.34 and 193,290.76 is: 289,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,585.64 : 1,000,025.34 = 193,290.76 : x
  2. Step 2: Convert to fraction form
    666,585.64/1,000,025.34 = 193,290.76/x
  3. Step 3: Cross multiply
    666,585.64x = 1,000,025.34 × 193,290.76
  4. Step 4: Simplify right side
    666,585.64x = 193,295,657,987.86
  5. Step 5: Solve for x
    x = 193,295,657,987.86/666,585.64
  6. Step 6: Final answer
    x = 289,978.73

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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.