Home / 1,149,599.28-1,586,303.24-666,155.60

Finding the Fourth Proportional to 1,149,599.28, 1,586,303.24 and 666,155.60

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Solution

The fourth proportional to 1,149,599.28, 1,586,303.24 and 666,155.60 is: 919,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,599.28 : 1,586,303.24 = 666,155.60 : x
  2. Step 2: Convert to fraction form
    1,149,599.28/1,586,303.24 = 666,155.60/x
  3. Step 3: Cross multiply
    1,149,599.28x = 1,586,303.24 × 666,155.60
  4. Step 4: Simplify right side
    1,149,599.28x = 1,056,724,786,624.14
  5. Step 5: Solve for x
    x = 1,056,724,786,624.14/1,149,599.28
  6. Step 6: Final answer
    x = 919,211.42

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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.