Home / 529,427.52-730,280.88-314,412.48

Finding the Fourth Proportional to 529,427.52, 730,280.88 and 314,412.48

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Solution

The fourth proportional to 529,427.52, 730,280.88 and 314,412.48 is: 433,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,427.52 : 730,280.88 = 314,412.48 : x
  2. Step 2: Convert to fraction form
    529,427.52/730,280.88 = 314,412.48/x
  3. Step 3: Cross multiply
    529,427.52x = 730,280.88 × 314,412.48
  4. Step 4: Simplify right side
    529,427.52x = 229,609,422,577.38
  5. Step 5: Solve for x
    x = 229,609,422,577.38/529,427.52
  6. Step 6: Final answer
    x = 433,693.78

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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.