Home / 1,149,612.06-1,586,465.07-666,457.28

Finding the Fourth Proportional to 1,149,612.06, 1,586,465.07 and 666,457.28

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Solution

The fourth proportional to 1,149,612.06, 1,586,465.07 and 666,457.28 is: 919,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,612.06 : 1,586,465.07 = 666,457.28 : x
  2. Step 2: Convert to fraction form
    1,149,612.06/1,586,465.07 = 666,457.28/x
  3. Step 3: Cross multiply
    1,149,612.06x = 1,586,465.07 × 666,457.28
  4. Step 4: Simplify right side
    1,149,612.06x = 1,057,311,195,367.21
  5. Step 5: Solve for x
    x = 1,057,311,195,367.21/1,149,612.06
  6. Step 6: Final answer
    x = 919,711.29

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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.