Home / 525,136.10-788,654.55-459,817.70

Finding the Fourth Proportional to 525,136.10, 788,654.55 and 459,817.70

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Solution

The fourth proportional to 525,136.10, 788,654.55 and 459,817.70 is: 690,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,136.10 : 788,654.55 = 459,817.70 : x
  2. Step 2: Convert to fraction form
    525,136.10/788,654.55 = 459,817.70/x
  3. Step 3: Cross multiply
    525,136.10x = 788,654.55 × 459,817.70
  4. Step 4: Simplify right side
    525,136.10x = 362,637,321,275.54
  5. Step 5: Solve for x
    x = 362,637,321,275.54/525,136.10
  6. Step 6: Final answer
    x = 690,558.74

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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.