Home / 621,177.66-931,787.35-171,860.94

Finding the Fourth Proportional to 621,177.66, 931,787.35 and 171,860.94

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Solution

The fourth proportional to 621,177.66, 931,787.35 and 171,860.94 is: 257,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,177.66 : 931,787.35 = 171,860.94 : x
  2. Step 2: Convert to fraction form
    621,177.66/931,787.35 = 171,860.94/x
  3. Step 3: Cross multiply
    621,177.66x = 931,787.35 × 171,860.94
  4. Step 4: Simplify right side
    621,177.66x = 160,137,849,421.46
  5. Step 5: Solve for x
    x = 160,137,849,421.46/621,177.66
  6. Step 6: Final answer
    x = 257,797.18

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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.