Home / 529,664.56-730,882.38-314,763.28

Finding the Fourth Proportional to 529,664.56, 730,882.38 and 314,763.28

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Solution

The fourth proportional to 529,664.56, 730,882.38 and 314,763.28 is: 434,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,664.56 : 730,882.38 = 314,763.28 : x
  2. Step 2: Convert to fraction form
    529,664.56/730,882.38 = 314,763.28/x
  3. Step 3: Cross multiply
    529,664.56x = 730,882.38 × 314,763.28
  4. Step 4: Simplify right side
    529,664.56x = 230,054,935,223.01
  5. Step 5: Solve for x
    x = 230,054,935,223.01/529,664.56
  6. Step 6: Final answer
    x = 434,340.81

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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.