Home / 529,914.58-731,275.05-288,191.95

Finding the Fourth Proportional to 529,914.58, 731,275.05 and 288,191.95

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Solution

The fourth proportional to 529,914.58, 731,275.05 and 288,191.95 is: 397,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,914.58 : 731,275.05 = 288,191.95 : x
  2. Step 2: Convert to fraction form
    529,914.58/731,275.05 = 288,191.95/x
  3. Step 3: Cross multiply
    529,914.58x = 731,275.05 × 288,191.95
  4. Step 4: Simplify right side
    529,914.58x = 210,747,582,645.85
  5. Step 5: Solve for x
    x = 210,747,582,645.85/529,914.58
  6. Step 6: Final answer
    x = 397,701.05

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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.