Home / 419,122.41-578,372.81-237,823.51

Finding the Fourth Proportional to 419,122.41, 578,372.81 and 237,823.51

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Solution

The fourth proportional to 419,122.41, 578,372.81 and 237,823.51 is: 328,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,122.41 : 578,372.81 = 237,823.51 : x
  2. Step 2: Convert to fraction form
    419,122.41/578,372.81 = 237,823.51/x
  3. Step 3: Cross multiply
    419,122.41x = 578,372.81 × 237,823.51
  4. Step 4: Simplify right side
    419,122.41x = 137,550,648,870.90
  5. Step 5: Solve for x
    x = 137,550,648,870.90/419,122.41
  6. Step 6: Final answer
    x = 328,187.30

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1.5x scale

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.