Home / 488,926.10-674,570.05-316,571.54

Finding the Fourth Proportional to 488,926.10, 674,570.05 and 316,571.54

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Solution

The fourth proportional to 488,926.10, 674,570.05 and 316,571.54 is: 436,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,926.10 : 674,570.05 = 316,571.54 : x
  2. Step 2: Convert to fraction form
    488,926.10/674,570.05 = 316,571.54/x
  3. Step 3: Cross multiply
    488,926.10x = 674,570.05 × 316,571.54
  4. Step 4: Simplify right side
    488,926.10x = 213,549,679,566.38
  5. Step 5: Solve for x
    x = 213,549,679,566.38/488,926.10
  6. Step 6: Final answer
    x = 436,772.92

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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.