Home / 696,418.89-1,044,628.68-459,706.25

Finding the Fourth Proportional to 696,418.89, 1,044,628.68 and 459,706.25

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Solution

The fourth proportional to 696,418.89, 1,044,628.68 and 459,706.25 is: 689,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,418.89 : 1,044,628.68 = 459,706.25 : x
  2. Step 2: Convert to fraction form
    696,418.89/1,044,628.68 = 459,706.25/x
  3. Step 3: Cross multiply
    696,418.89x = 1,044,628.68 × 459,706.25
  4. Step 4: Simplify right side
    696,418.89x = 480,222,333,125.25
  5. Step 5: Solve for x
    x = 480,222,333,125.25/696,418.89
  6. Step 6: Final answer
    x = 689,559.60

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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.