Home / 1,203,798.64-1,805,173-455,319.76

Finding the Fourth Proportional to 1,203,798.64, 1,805,173 and 455,319.76

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Solution

The fourth proportional to 1,203,798.64, 1,805,173 and 455,319.76 is: 682,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,798.64 : 1,805,173 = 455,319.76 : x
  2. Step 2: Convert to fraction form
    1,203,798.64/1,805,173 = 455,319.76/x
  3. Step 3: Cross multiply
    1,203,798.64x = 1,805,173 × 455,319.76
  4. Step 4: Simplify right side
    1,203,798.64x = 821,930,937,118.48
  5. Step 5: Solve for x
    x = 821,930,937,118.48/1,203,798.64
  6. Step 6: Final answer
    x = 682,781.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.