Home / 447,229.41-671,155.16-289,065.57

Finding the Fourth Proportional to 447,229.41, 671,155.16 and 289,065.57

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Solution

The fourth proportional to 447,229.41, 671,155.16 and 289,065.57 is: 433,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,229.41 : 671,155.16 = 289,065.57 : x
  2. Step 2: Convert to fraction form
    447,229.41/671,155.16 = 289,065.57/x
  3. Step 3: Cross multiply
    447,229.41x = 671,155.16 × 289,065.57
  4. Step 4: Simplify right side
    447,229.41x = 194,007,847,438.51
  5. Step 5: Solve for x
    x = 194,007,847,438.51/447,229.41
  6. Step 6: Final answer
    x = 433,799.39

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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.