Home / 1,149,362.10-1,586,119.59-666,207.50

Finding the Fourth Proportional to 1,149,362.10, 1,586,119.59 and 666,207.50

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Solution

The fourth proportional to 1,149,362.10, 1,586,119.59 and 666,207.50 is: 919,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,362.10 : 1,586,119.59 = 666,207.50 : x
  2. Step 2: Convert to fraction form
    1,149,362.10/1,586,119.59 = 666,207.50/x
  3. Step 3: Cross multiply
    1,149,362.10x = 1,586,119.59 × 666,207.50
  4. Step 4: Simplify right side
    1,149,362.10x = 1,056,684,766,754.93
  5. Step 5: Solve for x
    x = 1,056,684,766,754.93/1,149,362.10
  6. Step 6: Final answer
    x = 919,366.29

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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.