Home / 419,125.10-578,376.54-237,826.22

Finding the Fourth Proportional to 419,125.10, 578,376.54 and 237,826.22

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Solution

The fourth proportional to 419,125.10, 578,376.54 and 237,826.22 is: 328,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,125.10 : 578,376.54 = 237,826.22 : x
  2. Step 2: Convert to fraction form
    419,125.10/578,376.54 = 237,826.22/x
  3. Step 3: Cross multiply
    419,125.10x = 578,376.54 × 237,826.22
  4. Step 4: Simplify right side
    419,125.10x = 137,553,103,353.00
  5. Step 5: Solve for x
    x = 137,553,103,353.00/419,125.10
  6. Step 6: Final answer
    x = 328,191.05

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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.