Home / 1,118,437.61-1,543,388.89-634,939.30

Finding the Fourth Proportional to 1,118,437.61, 1,543,388.89 and 634,939.30

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Solution

The fourth proportional to 1,118,437.61, 1,543,388.89 and 634,939.30 is: 876,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,437.61 : 1,543,388.89 = 634,939.30 : x
  2. Step 2: Convert to fraction form
    1,118,437.61/1,543,388.89 = 634,939.30/x
  3. Step 3: Cross multiply
    1,118,437.61x = 1,543,388.89 × 634,939.30
  4. Step 4: Simplify right side
    1,118,437.61x = 979,958,261,444.38
  5. Step 5: Solve for x
    x = 979,958,261,444.38/1,118,437.61
  6. Step 6: Final answer
    x = 876,185.00

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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.