Home / 1,208,538.16-1,811,174.24-460,175.92

Finding the Fourth Proportional to 1,208,538.16, 1,811,174.24 and 460,175.92

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Solution

The fourth proportional to 1,208,538.16, 1,811,174.24 and 460,175.92 is: 689,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,538.16 : 1,811,174.24 = 460,175.92 : x
  2. Step 2: Convert to fraction form
    1,208,538.16/1,811,174.24 = 460,175.92/x
  3. Step 3: Cross multiply
    1,208,538.16x = 1,811,174.24 × 460,175.92
  4. Step 4: Simplify right side
    1,208,538.16x = 833,458,769,871.42
  5. Step 5: Solve for x
    x = 833,458,769,871.42/1,208,538.16
  6. Step 6: Final answer
    x = 689,642.08

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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.