Home / 558,968.13-771,379.76-317,254.73

Finding the Fourth Proportional to 558,968.13, 771,379.76 and 317,254.73

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Solution

The fourth proportional to 558,968.13, 771,379.76 and 317,254.73 is: 437,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,968.13 : 771,379.76 = 317,254.73 : x
  2. Step 2: Convert to fraction form
    558,968.13/771,379.76 = 317,254.73/x
  3. Step 3: Cross multiply
    558,968.13x = 771,379.76 × 317,254.73
  4. Step 4: Simplify right side
    558,968.13x = 244,723,874,422.50
  5. Step 5: Solve for x
    x = 244,723,874,422.50/558,968.13
  6. Step 6: Final answer
    x = 437,813.64

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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.