Home / 579,366.96-869,116.05-519,836.82

Finding the Fourth Proportional to 579,366.96, 869,116.05 and 519,836.82

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Solution

The fourth proportional to 579,366.96, 869,116.05 and 519,836.82 is: 779,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,366.96 : 869,116.05 = 519,836.82 : x
  2. Step 2: Convert to fraction form
    579,366.96/869,116.05 = 519,836.82/x
  3. Step 3: Cross multiply
    579,366.96x = 869,116.05 × 519,836.82
  4. Step 4: Simplify right side
    579,366.96x = 451,798,523,642.96
  5. Step 5: Solve for x
    x = 451,798,523,642.96/579,366.96
  6. Step 6: Final answer
    x = 779,814.10

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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.