Home / 529,904.96-731,261.76-288,182.33

Finding the Fourth Proportional to 529,904.96, 731,261.76 and 288,182.33

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Solution

The fourth proportional to 529,904.96, 731,261.76 and 288,182.33 is: 397,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,904.96 : 731,261.76 = 288,182.33 : x
  2. Step 2: Convert to fraction form
    529,904.96/731,261.76 = 288,182.33/x
  3. Step 3: Cross multiply
    529,904.96x = 731,261.76 × 288,182.33
  4. Step 4: Simplify right side
    529,904.96x = 210,736,714,180.39
  5. Step 5: Solve for x
    x = 210,736,714,180.39/529,904.96
  6. Step 6: Final answer
    x = 397,687.76

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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.