Home / 418,778.06-578,016.36-237,596.04

Finding the Fourth Proportional to 418,778.06, 578,016.36 and 237,596.04

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Solution

The fourth proportional to 418,778.06, 578,016.36 and 237,596.04 is: 327,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,778.06 : 578,016.36 = 237,596.04 : x
  2. Step 2: Convert to fraction form
    418,778.06/578,016.36 = 237,596.04/x
  3. Step 3: Cross multiply
    418,778.06x = 578,016.36 × 237,596.04
  4. Step 4: Simplify right side
    418,778.06x = 137,334,398,191.21
  5. Step 5: Solve for x
    x = 137,334,398,191.21/418,778.06
  6. Step 6: Final answer
    x = 327,940.77

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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.