Home / 459,010.90-688,625.70-222,158.80

Finding the Fourth Proportional to 459,010.90, 688,625.70 and 222,158.80

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Solution

The fourth proportional to 459,010.90, 688,625.70 and 222,158.80 is: 333,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,010.90 : 688,625.70 = 222,158.80 : x
  2. Step 2: Convert to fraction form
    459,010.90/688,625.70 = 222,158.80/x
  3. Step 3: Cross multiply
    459,010.90x = 688,625.70 × 222,158.80
  4. Step 4: Simplify right side
    459,010.90x = 152,984,259,161.16
  5. Step 5: Solve for x
    x = 152,984,259,161.16/459,010.90
  6. Step 6: Final answer
    x = 333,291.12

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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.