Home / 1,156,658.13-1,596,238.11-640,412.03

Finding the Fourth Proportional to 1,156,658.13, 1,596,238.11 and 640,412.03

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Solution

The fourth proportional to 1,156,658.13, 1,596,238.11 and 640,412.03 is: 883,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,658.13 : 1,596,238.11 = 640,412.03 : x
  2. Step 2: Convert to fraction form
    1,156,658.13/1,596,238.11 = 640,412.03/x
  3. Step 3: Cross multiply
    1,156,658.13x = 1,596,238.11 × 640,412.03
  4. Step 4: Simplify right side
    1,156,658.13x = 1,022,250,080,407.27
  5. Step 5: Solve for x
    x = 1,022,250,080,407.27/1,156,658.13
  6. Step 6: Final answer
    x = 883,796.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.