Home / 1,210,054.41-1,669,844.57-666,184.77

Finding the Fourth Proportional to 1,210,054.41, 1,669,844.57 and 666,184.77

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Solution

The fourth proportional to 1,210,054.41, 1,669,844.57 and 666,184.77 is: 919,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,054.41 : 1,669,844.57 = 666,184.77 : x
  2. Step 2: Convert to fraction form
    1,210,054.41/1,669,844.57 = 666,184.77/x
  3. Step 3: Cross multiply
    1,210,054.41x = 1,669,844.57 × 666,184.77
  4. Step 4: Simplify right side
    1,210,054.41x = 1,112,425,017,470.28
  5. Step 5: Solve for x
    x = 1,112,425,017,470.28/1,210,054.41
  6. Step 6: Final answer
    x = 919,318.18

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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.