Home / 459,128.93-688,764.67-234,367.76

Finding the Fourth Proportional to 459,128.93, 688,764.67 and 234,367.76

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Solution

The fourth proportional to 459,128.93, 688,764.67 and 234,367.76 is: 351,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,128.93 : 688,764.67 = 234,367.76 : x
  2. Step 2: Convert to fraction form
    459,128.93/688,764.67 = 234,367.76/x
  3. Step 3: Cross multiply
    459,128.93x = 688,764.67 × 234,367.76
  4. Step 4: Simplify right side
    459,128.93x = 161,424,234,011.03
  5. Step 5: Solve for x
    x = 161,424,234,011.03/459,128.93
  6. Step 6: Final answer
    x = 351,588.03

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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.