Home / 529,973.83-731,327.88-288,251.22

Finding the Fourth Proportional to 529,973.83, 731,327.88 and 288,251.22

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Solution

The fourth proportional to 529,973.83, 731,327.88 and 288,251.22 is: 397,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,973.83 : 731,327.88 = 288,251.22 : x
  2. Step 2: Convert to fraction form
    529,973.83/731,327.88 = 288,251.22/x
  3. Step 3: Cross multiply
    529,973.83x = 731,327.88 × 288,251.22
  4. Step 4: Simplify right side
    529,973.83x = 210,806,153,630.01
  5. Step 5: Solve for x
    x = 210,806,153,630.01/529,973.83
  6. Step 6: Final answer
    x = 397,767.10

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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.