Home / 1,672,079.34-2,507,477.19-711,926.21

Finding the Fourth Proportional to 1,672,079.34, 2,507,477.19 and 711,926.21

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Solution

The fourth proportional to 1,672,079.34, 2,507,477.19 and 711,926.21 is: 1,067,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,079.34 : 2,507,477.19 = 711,926.21 : x
  2. Step 2: Convert to fraction form
    1,672,079.34/2,507,477.19 = 711,926.21/x
  3. Step 3: Cross multiply
    1,672,079.34x = 2,507,477.19 × 711,926.21
  4. Step 4: Simplify right side
    1,672,079.34x = 1,785,138,720,000.76
  5. Step 5: Solve for x
    x = 1,785,138,720,000.76/1,672,079.34
  6. Step 6: Final answer
    x = 1,067,616.04

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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.