Home / 622,965.64-859,564.02-396,528.52

Finding the Fourth Proportional to 622,965.64, 859,564.02 and 396,528.52

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Solution

The fourth proportional to 622,965.64, 859,564.02 and 396,528.52 is: 547,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,965.64 : 859,564.02 = 396,528.52 : x
  2. Step 2: Convert to fraction form
    622,965.64/859,564.02 = 396,528.52/x
  3. Step 3: Cross multiply
    622,965.64x = 859,564.02 × 396,528.52
  4. Step 4: Simplify right side
    622,965.64x = 340,841,648,695.85
  5. Step 5: Solve for x
    x = 340,841,648,695.85/622,965.64
  6. Step 6: Final answer
    x = 547,127.52

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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.