Home / 406,311.03-560,523.11-263,117.21

Finding the Fourth Proportional to 406,311.03, 560,523.11 and 263,117.21

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Solution

The fourth proportional to 406,311.03, 560,523.11 and 263,117.21 is: 362,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,311.03 : 560,523.11 = 263,117.21 : x
  2. Step 2: Convert to fraction form
    406,311.03/560,523.11 = 263,117.21/x
  3. Step 3: Cross multiply
    406,311.03x = 560,523.11 × 263,117.21
  4. Step 4: Simplify right side
    406,311.03x = 147,483,272,725.52
  5. Step 5: Solve for x
    x = 147,483,272,725.52/406,311.03
  6. Step 6: Final answer
    x = 362,981.22

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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.