Home / 459,827.70-689,770.71-144,297.06

Finding the Fourth Proportional to 459,827.70, 689,770.71 and 144,297.06

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Solution

The fourth proportional to 459,827.70, 689,770.71 and 144,297.06 is: 216,454.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,827.70 : 689,770.71 = 144,297.06 : x
  2. Step 2: Convert to fraction form
    459,827.70/689,770.71 = 144,297.06/x
  3. Step 3: Cross multiply
    459,827.70x = 689,770.71 × 144,297.06
  4. Step 4: Simplify right side
    459,827.70x = 99,531,884,805.63
  5. Step 5: Solve for x
    x = 99,531,884,805.63/459,827.70
  6. Step 6: Final answer
    x = 216,454.74

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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.