Home / 529,964.34-731,109.56-314,982.24

Finding the Fourth Proportional to 529,964.34, 731,109.56 and 314,982.24

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Solution

The fourth proportional to 529,964.34, 731,109.56 and 314,982.24 is: 434,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,964.34 : 731,109.56 = 314,982.24 : x
  2. Step 2: Convert to fraction form
    529,964.34/731,109.56 = 314,982.24/x
  3. Step 3: Cross multiply
    529,964.34x = 731,109.56 × 314,982.24
  4. Step 4: Simplify right side
    529,964.34x = 230,286,526,894.21
  5. Step 5: Solve for x
    x = 230,286,526,894.21/529,964.34
  6. Step 6: Final answer
    x = 434,532.12

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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.