Home / 1,209,037.94-1,668,472.30-665,162.05

Finding the Fourth Proportional to 1,209,037.94, 1,668,472.30 and 665,162.05

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Solution

The fourth proportional to 1,209,037.94, 1,668,472.30 and 665,162.05 is: 917,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,037.94 : 1,668,472.30 = 665,162.05 : x
  2. Step 2: Convert to fraction form
    1,209,037.94/1,668,472.30 = 665,162.05/x
  3. Step 3: Cross multiply
    1,209,037.94x = 1,668,472.30 × 665,162.05
  4. Step 4: Simplify right side
    1,209,037.94x = 1,109,804,455,436.22
  5. Step 5: Solve for x
    x = 1,109,804,455,436.22/1,209,037.94
  6. Step 6: Final answer
    x = 917,923.60

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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.