Home / 529,849.76-730,935.54-314,837.60

Finding the Fourth Proportional to 529,849.76, 730,935.54 and 314,837.60

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Solution

The fourth proportional to 529,849.76, 730,935.54 and 314,837.60 is: 434,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,849.76 : 730,935.54 = 314,837.60 : x
  2. Step 2: Convert to fraction form
    529,849.76/730,935.54 = 314,837.60/x
  3. Step 3: Cross multiply
    529,849.76x = 730,935.54 × 314,837.60
  4. Step 4: Simplify right side
    529,849.76x = 230,125,987,513.63
  5. Step 5: Solve for x
    x = 230,125,987,513.63/529,849.76
  6. Step 6: Final answer
    x = 434,323.10

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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.