Home / 834,146.22-1,249,198.78-577,258.96

Finding the Fourth Proportional to 834,146.22, 1,249,198.78 and 577,258.96

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Solution

The fourth proportional to 834,146.22, 1,249,198.78 and 577,258.96 is: 864,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,146.22 : 1,249,198.78 = 577,258.96 : x
  2. Step 2: Convert to fraction form
    834,146.22/1,249,198.78 = 577,258.96/x
  3. Step 3: Cross multiply
    834,146.22x = 1,249,198.78 × 577,258.96
  4. Step 4: Simplify right side
    834,146.22x = 721,111,188,576.07
  5. Step 5: Solve for x
    x = 721,111,188,576.07/834,146.22
  6. Step 6: Final answer
    x = 864,490.15

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1.5x scale

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.