Home / 1,171,569.24-1,755,347.40-639,463.68

Finding the Fourth Proportional to 1,171,569.24, 1,755,347.40 and 639,463.68

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Solution

The fourth proportional to 1,171,569.24, 1,755,347.40 and 639,463.68 is: 958,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,569.24 : 1,755,347.40 = 639,463.68 : x
  2. Step 2: Convert to fraction form
    1,171,569.24/1,755,347.40 = 639,463.68/x
  3. Step 3: Cross multiply
    1,171,569.24x = 1,755,347.40 × 639,463.68
  4. Step 4: Simplify right side
    1,171,569.24x = 1,122,480,908,082.43
  5. Step 5: Solve for x
    x = 1,122,480,908,082.43/1,171,569.24
  6. Step 6: Final answer
    x = 958,100.36

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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.