Home / 529,771.23-731,093.45-288,055.44

Finding the Fourth Proportional to 529,771.23, 731,093.45 and 288,055.44

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Solution

The fourth proportional to 529,771.23, 731,093.45 and 288,055.44 is: 397,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,771.23 : 731,093.45 = 288,055.44 : x
  2. Step 2: Convert to fraction form
    529,771.23/731,093.45 = 288,055.44/x
  3. Step 3: Cross multiply
    529,771.23x = 731,093.45 × 288,055.44
  4. Step 4: Simplify right side
    529,771.23x = 210,595,443,980.59
  5. Step 5: Solve for x
    x = 210,595,443,980.59/529,771.23
  6. Step 6: Final answer
    x = 397,521.48

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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.