Home / 1,205,944.24-1,664,119.80-669,358

Finding the Fourth Proportional to 1,205,944.24, 1,664,119.80 and 669,358

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Solution

The fourth proportional to 1,205,944.24, 1,664,119.80 and 669,358 is: 923,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,944.24 : 1,664,119.80 = 669,358 : x
  2. Step 2: Convert to fraction form
    1,205,944.24/1,664,119.80 = 669,358/x
  3. Step 3: Cross multiply
    1,205,944.24x = 1,664,119.80 × 669,358
  4. Step 4: Simplify right side
    1,205,944.24x = 1,113,891,901,088.40
  5. Step 5: Solve for x
    x = 1,113,891,901,088.40/1,205,944.24
  6. Step 6: Final answer
    x = 923,667.83

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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.