Home / 514,670.56-710,247.04-285,231.60

Finding the Fourth Proportional to 514,670.56, 710,247.04 and 285,231.60

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Solution

The fourth proportional to 514,670.56, 710,247.04 and 285,231.60 is: 393,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,670.56 : 710,247.04 = 285,231.60 : x
  2. Step 2: Convert to fraction form
    514,670.56/710,247.04 = 285,231.60/x
  3. Step 3: Cross multiply
    514,670.56x = 710,247.04 × 285,231.60
  4. Step 4: Simplify right side
    514,670.56x = 202,584,899,614.46
  5. Step 5: Solve for x
    x = 202,584,899,614.46/514,670.56
  6. Step 6: Final answer
    x = 393,620.53

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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.