Home / 1,210,593.98-1,670,695.19-666,729.61

Finding the Fourth Proportional to 1,210,593.98, 1,670,695.19 and 666,729.61

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Solution

The fourth proportional to 1,210,593.98, 1,670,695.19 and 666,729.61 is: 920,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,593.98 : 1,670,695.19 = 666,729.61 : x
  2. Step 2: Convert to fraction form
    1,210,593.98/1,670,695.19 = 666,729.61/x
  3. Step 3: Cross multiply
    1,210,593.98x = 1,670,695.19 × 666,729.61
  4. Step 4: Simplify right side
    1,210,593.98x = 1,113,901,952,457.58
  5. Step 5: Solve for x
    x = 1,113,901,952,457.58/1,210,593.98
  6. Step 6: Final answer
    x = 920,128.44

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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.