Home / 1,174,572.23-1,621,063.83-665,291.75

Finding the Fourth Proportional to 1,174,572.23, 1,621,063.83 and 665,291.75

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Solution

The fourth proportional to 1,174,572.23, 1,621,063.83 and 665,291.75 is: 918,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,572.23 : 1,621,063.83 = 665,291.75 : x
  2. Step 2: Convert to fraction form
    1,174,572.23/1,621,063.83 = 665,291.75/x
  3. Step 3: Cross multiply
    1,174,572.23x = 1,621,063.83 × 665,291.75
  4. Step 4: Simplify right side
    1,174,572.23x = 1,078,480,392,322.40
  5. Step 5: Solve for x
    x = 1,078,480,392,322.40/1,174,572.23
  6. Step 6: Final answer
    x = 918,189.93

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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.