Home / 1,118,434.61-1,543,384.76-634,936.30

Finding the Fourth Proportional to 1,118,434.61, 1,543,384.76 and 634,936.30

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Solution

The fourth proportional to 1,118,434.61, 1,543,384.76 and 634,936.30 is: 876,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,434.61 : 1,543,384.76 = 634,936.30 : x
  2. Step 2: Convert to fraction form
    1,118,434.61/1,543,384.76 = 634,936.30/x
  3. Step 3: Cross multiply
    1,118,434.61x = 1,543,384.76 × 634,936.30
  4. Step 4: Simplify right side
    1,118,434.61x = 979,950,998,099.18
  5. Step 5: Solve for x
    x = 979,950,998,099.18/1,118,434.61
  6. Step 6: Final answer
    x = 876,180.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.