Home / 1,224,553.12-1,689,903.54-673,292.11

Finding the Fourth Proportional to 1,224,553.12, 1,689,903.54 and 673,292.11

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Solution

The fourth proportional to 1,224,553.12, 1,689,903.54 and 673,292.11 is: 929,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,553.12 : 1,689,903.54 = 673,292.11 : x
  2. Step 2: Convert to fraction form
    1,224,553.12/1,689,903.54 = 673,292.11/x
  3. Step 3: Cross multiply
    1,224,553.12x = 1,689,903.54 × 673,292.11
  4. Step 4: Simplify right side
    1,224,553.12x = 1,137,798,720,143.07
  5. Step 5: Solve for x
    x = 1,137,798,720,143.07/1,224,553.12
  6. Step 6: Final answer
    x = 929,154.24

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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.