Home / 529,984.04-731,383.26-288,272.24

Finding the Fourth Proportional to 529,984.04, 731,383.26 and 288,272.24

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Solution

The fourth proportional to 529,984.04, 731,383.26 and 288,272.24 is: 397,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,984.04 : 731,383.26 = 288,272.24 : x
  2. Step 2: Convert to fraction form
    529,984.04/731,383.26 = 288,272.24/x
  3. Step 3: Cross multiply
    529,984.04x = 731,383.26 × 288,272.24
  4. Step 4: Simplify right side
    529,984.04x = 210,837,490,658.70
  5. Step 5: Solve for x
    x = 210,837,490,658.70/529,984.04
  6. Step 6: Final answer
    x = 397,818.57

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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.