Home / 1,188,587.28-1,783,143.33-440,633.28

Finding the Fourth Proportional to 1,188,587.28, 1,783,143.33 and 440,633.28

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Solution

The fourth proportional to 1,188,587.28, 1,783,143.33 and 440,633.28 is: 661,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,587.28 : 1,783,143.33 = 440,633.28 : x
  2. Step 2: Convert to fraction form
    1,188,587.28/1,783,143.33 = 440,633.28/x
  3. Step 3: Cross multiply
    1,188,587.28x = 1,783,143.33 × 440,633.28
  4. Step 4: Simplify right side
    1,188,587.28x = 785,712,294,208.02
  5. Step 5: Solve for x
    x = 785,712,294,208.02/1,188,587.28
  6. Step 6: Final answer
    x = 661,047.20

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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.