Home / 529,887.15-730,873.75-348,541.11

Finding the Fourth Proportional to 529,887.15, 730,873.75 and 348,541.11

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Solution

The fourth proportional to 529,887.15, 730,873.75 and 348,541.11 is: 480,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,887.15 : 730,873.75 = 348,541.11 : x
  2. Step 2: Convert to fraction form
    529,887.15/730,873.75 = 348,541.11/x
  3. Step 3: Cross multiply
    529,887.15x = 730,873.75 × 348,541.11
  4. Step 4: Simplify right side
    529,887.15x = 254,739,548,094.86
  5. Step 5: Solve for x
    x = 254,739,548,094.86/529,887.15
  6. Step 6: Final answer
    x = 480,743.02

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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.