Home / 1,149,299.77-1,586,033.64-666,145.16

Finding the Fourth Proportional to 1,149,299.77, 1,586,033.64 and 666,145.16

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Solution

The fourth proportional to 1,149,299.77, 1,586,033.64 and 666,145.16 is: 919,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,299.77 : 1,586,033.64 = 666,145.16 : x
  2. Step 2: Convert to fraction form
    1,149,299.77/1,586,033.64 = 666,145.16/x
  3. Step 3: Cross multiply
    1,149,299.77x = 1,586,033.64 × 666,145.16
  4. Step 4: Simplify right side
    1,149,299.77x = 1,056,528,636,848.27
  5. Step 5: Solve for x
    x = 1,056,528,636,848.27/1,149,299.77
  6. Step 6: Final answer
    x = 919,280.30

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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.