Home / 621,171.16-931,777.46-171,854.40

Finding the Fourth Proportional to 621,171.16, 931,777.46 and 171,854.40

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Solution

The fourth proportional to 621,171.16, 931,777.46 and 171,854.40 is: 257,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,171.16 : 931,777.46 = 171,854.40 : x
  2. Step 2: Convert to fraction form
    621,171.16/931,777.46 = 171,854.40/x
  3. Step 3: Cross multiply
    621,171.16x = 931,777.46 × 171,854.40
  4. Step 4: Simplify right side
    621,171.16x = 160,130,056,321.82
  5. Step 5: Solve for x
    x = 160,130,056,321.82/621,171.16
  6. Step 6: Final answer
    x = 257,787.33

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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.