Home / 459,811.56-689,659.02-341,655.24

Finding the Fourth Proportional to 459,811.56, 689,659.02 and 341,655.24

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Solution

The fourth proportional to 459,811.56, 689,659.02 and 341,655.24 is: 512,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,811.56 : 689,659.02 = 341,655.24 : x
  2. Step 2: Convert to fraction form
    459,811.56/689,659.02 = 341,655.24/x
  3. Step 3: Cross multiply
    459,811.56x = 689,659.02 × 341,655.24
  4. Step 4: Simplify right side
    459,811.56x = 235,625,617,996.27
  5. Step 5: Solve for x
    x = 235,625,617,996.27/459,811.56
  6. Step 6: Final answer
    x = 512,439.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.