Home / 529,554.06-730,789.56-287,837.19

Finding the Fourth Proportional to 529,554.06, 730,789.56 and 287,837.19

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Solution

The fourth proportional to 529,554.06, 730,789.56 and 287,837.19 is: 397,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,554.06 : 730,789.56 = 287,837.19 : x
  2. Step 2: Convert to fraction form
    529,554.06/730,789.56 = 287,837.19/x
  3. Step 3: Cross multiply
    529,554.06x = 730,789.56 × 287,837.19
  4. Step 4: Simplify right side
    529,554.06x = 210,348,413,431.74
  5. Step 5: Solve for x
    x = 210,348,413,431.74/529,554.06
  6. Step 6: Final answer
    x = 397,218.02

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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.