Home / 1,174,507.92-1,620,819.36-665,308.32

Finding the Fourth Proportional to 1,174,507.92, 1,620,819.36 and 665,308.32

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Solution

The fourth proportional to 1,174,507.92, 1,620,819.36 and 665,308.32 is: 918,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,507.92 : 1,620,819.36 = 665,308.32 : x
  2. Step 2: Convert to fraction form
    1,174,507.92/1,620,819.36 = 665,308.32/x
  3. Step 3: Cross multiply
    1,174,507.92x = 1,620,819.36 × 665,308.32
  4. Step 4: Simplify right side
    1,174,507.92x = 1,078,344,605,425.08
  5. Step 5: Solve for x
    x = 1,078,344,605,425.08/1,174,507.92
  6. Step 6: Final answer
    x = 918,124.59

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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.