Home / 529,939.38-731,032.46-368,514.18

Finding the Fourth Proportional to 529,939.38, 731,032.46 and 368,514.18

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Solution

The fourth proportional to 529,939.38, 731,032.46 and 368,514.18 is: 508,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,939.38 : 731,032.46 = 368,514.18 : x
  2. Step 2: Convert to fraction form
    529,939.38/731,032.46 = 368,514.18/x
  3. Step 3: Cross multiply
    529,939.38x = 731,032.46 × 368,514.18
  4. Step 4: Simplify right side
    529,939.38x = 269,395,825,707.71
  5. Step 5: Solve for x
    x = 269,395,825,707.71/529,939.38
  6. Step 6: Final answer
    x = 508,352.15

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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.