Home / 418,847.59-578,022.66-237,566.89

Finding the Fourth Proportional to 418,847.59, 578,022.66 and 237,566.89

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Solution

The fourth proportional to 418,847.59, 578,022.66 and 237,566.89 is: 327,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,847.59 : 578,022.66 = 237,566.89 : x
  2. Step 2: Convert to fraction form
    418,847.59/578,022.66 = 237,566.89/x
  3. Step 3: Cross multiply
    418,847.59x = 578,022.66 × 237,566.89
  4. Step 4: Simplify right side
    418,847.59x = 137,319,045,685.73
  5. Step 5: Solve for x
    x = 137,319,045,685.73/418,847.59
  6. Step 6: Final answer
    x = 327,849.67

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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.