Home / 529,799.32-731,283.15-360,131.86

Finding the Fourth Proportional to 529,799.32, 731,283.15 and 360,131.86

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Solution

The fourth proportional to 529,799.32, 731,283.15 and 360,131.86 is: 497,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,799.32 : 731,283.15 = 360,131.86 : x
  2. Step 2: Convert to fraction form
    529,799.32/731,283.15 = 360,131.86/x
  3. Step 3: Cross multiply
    529,799.32x = 731,283.15 × 360,131.86
  4. Step 4: Simplify right side
    529,799.32x = 263,358,360,996.16
  5. Step 5: Solve for x
    x = 263,358,360,996.16/529,799.32
  6. Step 6: Final answer
    x = 497,090.79

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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.