Home / 459,966.27-690,090.69-235,484.31

Finding the Fourth Proportional to 459,966.27, 690,090.69 and 235,484.31

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Solution

The fourth proportional to 459,966.27, 690,090.69 and 235,484.31 is: 353,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,966.27 : 690,090.69 = 235,484.31 : x
  2. Step 2: Convert to fraction form
    459,966.27/690,090.69 = 235,484.31/x
  3. Step 3: Cross multiply
    459,966.27x = 690,090.69 × 235,484.31
  4. Step 4: Simplify right side
    459,966.27x = 162,505,532,118.38
  5. Step 5: Solve for x
    x = 162,505,532,118.38/459,966.27
  6. Step 6: Final answer
    x = 353,298.80

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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.