Home / 1,210,591.98-1,670,692.43-666,727.61

Finding the Fourth Proportional to 1,210,591.98, 1,670,692.43 and 666,727.61

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Solution

The fourth proportional to 1,210,591.98, 1,670,692.43 and 666,727.61 is: 920,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,591.98 : 1,670,692.43 = 666,727.61 : x
  2. Step 2: Convert to fraction form
    1,210,591.98/1,670,692.43 = 666,727.61/x
  3. Step 3: Cross multiply
    1,210,591.98x = 1,670,692.43 × 666,727.61
  4. Step 4: Simplify right side
    1,210,591.98x = 1,113,896,764,212.35
  5. Step 5: Solve for x
    x = 1,113,896,764,212.35/1,210,591.98
  6. Step 6: Final answer
    x = 920,125.68

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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.