Home / 529,680.07-731,118.59-360,012.61

Finding the Fourth Proportional to 529,680.07, 731,118.59 and 360,012.61

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Solution

The fourth proportional to 529,680.07, 731,118.59 and 360,012.61 is: 496,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,680.07 : 731,118.59 = 360,012.61 : x
  2. Step 2: Convert to fraction form
    529,680.07/731,118.59 = 360,012.61/x
  3. Step 3: Cross multiply
    529,680.07x = 731,118.59 × 360,012.61
  4. Step 4: Simplify right side
    529,680.07x = 263,211,911,805.42
  5. Step 5: Solve for x
    x = 263,211,911,805.42/529,680.07
  6. Step 6: Final answer
    x = 496,926.21

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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.