Home / 1,118,361.47-1,543,382.52-634,971.59

Finding the Fourth Proportional to 1,118,361.47, 1,543,382.52 and 634,971.59

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Solution

The fourth proportional to 1,118,361.47, 1,543,382.52 and 634,971.59 is: 876,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,361.47 : 1,543,382.52 = 634,971.59 : x
  2. Step 2: Convert to fraction form
    1,118,361.47/1,543,382.52 = 634,971.59/x
  3. Step 3: Cross multiply
    1,118,361.47x = 1,543,382.52 × 634,971.59
  4. Step 4: Simplify right side
    1,118,361.47x = 980,004,052,702.61
  5. Step 5: Solve for x
    x = 980,004,052,702.61/1,118,361.47
  6. Step 6: Final answer
    x = 876,285.60

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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.