Home / 1,174,921.66-1,762,023.72-812,512.86

Finding the Fourth Proportional to 1,174,921.66, 1,762,023.72 and 812,512.86

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Solution

The fourth proportional to 1,174,921.66, 1,762,023.72 and 812,512.86 is: 1,218,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,921.66 : 1,762,023.72 = 812,512.86 : x
  2. Step 2: Convert to fraction form
    1,174,921.66/1,762,023.72 = 812,512.86/x
  3. Step 3: Cross multiply
    1,174,921.66x = 1,762,023.72 × 812,512.86
  4. Step 4: Simplify right side
    1,174,921.66x = 1,431,666,932,125.04
  5. Step 5: Solve for x
    x = 1,431,666,932,125.04/1,174,921.66
  6. Step 6: Final answer
    x = 1,218,521.18

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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.