Home / 459,042.90-688,673.70-222,190.80

Finding the Fourth Proportional to 459,042.90, 688,673.70 and 222,190.80

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Solution

The fourth proportional to 459,042.90, 688,673.70 and 222,190.80 is: 333,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,042.90 : 688,673.70 = 222,190.80 : x
  2. Step 2: Convert to fraction form
    459,042.90/688,673.70 = 222,190.80/x
  3. Step 3: Cross multiply
    459,042.90x = 688,673.70 × 222,190.80
  4. Step 4: Simplify right side
    459,042.90x = 153,016,960,341.96
  5. Step 5: Solve for x
    x = 153,016,960,341.96/459,042.90
  6. Step 6: Final answer
    x = 333,339.13

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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.