Home / 1,174,900.52-1,621,357.08-665,601.68

Finding the Fourth Proportional to 1,174,900.52, 1,621,357.08 and 665,601.68

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Solution

The fourth proportional to 1,174,900.52, 1,621,357.08 and 665,601.68 is: 918,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,900.52 : 1,621,357.08 = 665,601.68 : x
  2. Step 2: Convert to fraction form
    1,174,900.52/1,621,357.08 = 665,601.68/x
  3. Step 3: Cross multiply
    1,174,900.52x = 1,621,357.08 × 665,601.68
  4. Step 4: Simplify right side
    1,174,900.52x = 1,079,177,996,327.89
  5. Step 5: Solve for x
    x = 1,079,177,996,327.89/1,174,900.52
  6. Step 6: Final answer
    x = 918,527.12

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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.