Home / 1,117,995.15-1,542,879.66-634,605.27

Finding the Fourth Proportional to 1,117,995.15, 1,542,879.66 and 634,605.27

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Solution

The fourth proportional to 1,117,995.15, 1,542,879.66 and 634,605.27 is: 875,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,995.15 : 1,542,879.66 = 634,605.27 : x
  2. Step 2: Convert to fraction form
    1,117,995.15/1,542,879.66 = 634,605.27/x
  3. Step 3: Cross multiply
    1,117,995.15x = 1,542,879.66 × 634,605.27
  4. Step 4: Simplify right side
    1,117,995.15x = 979,119,563,211.81
  5. Step 5: Solve for x
    x = 979,119,563,211.81/1,117,995.15
  6. Step 6: Final answer
    x = 875,781.58

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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.