Home / 1,118,374.11-1,543,399.98-634,984.23

Finding the Fourth Proportional to 1,118,374.11, 1,543,399.98 and 634,984.23

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Solution

The fourth proportional to 1,118,374.11, 1,543,399.98 and 634,984.23 is: 876,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,374.11 : 1,543,399.98 = 634,984.23 : x
  2. Step 2: Convert to fraction form
    1,118,374.11/1,543,399.98 = 634,984.23/x
  3. Step 3: Cross multiply
    1,118,374.11x = 1,543,399.98 × 634,984.23
  4. Step 4: Simplify right side
    1,118,374.11x = 980,034,647,882.32
  5. Step 5: Solve for x
    x = 980,034,647,882.32/1,118,374.11
  6. Step 6: Final answer
    x = 876,303.05

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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.