Home / 619,834.05-929,649.02-579,486.33

Finding the Fourth Proportional to 619,834.05, 929,649.02 and 579,486.33

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Solution

The fourth proportional to 619,834.05, 929,649.02 and 579,486.33 is: 869,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,834.05 : 929,649.02 = 579,486.33 : x
  2. Step 2: Convert to fraction form
    619,834.05/929,649.02 = 579,486.33/x
  3. Step 3: Cross multiply
    619,834.05x = 929,649.02 × 579,486.33
  4. Step 4: Simplify right side
    619,834.05x = 538,718,895,890.47
  5. Step 5: Solve for x
    x = 538,718,895,890.47/619,834.05
  6. Step 6: Final answer
    x = 869,134.08

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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.