Home / 1,117,644.86-1,542,307.14-634,181.18

Finding the Fourth Proportional to 1,117,644.86, 1,542,307.14 and 634,181.18

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Solution

The fourth proportional to 1,117,644.86, 1,542,307.14 and 634,181.18 is: 875,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,644.86 : 1,542,307.14 = 634,181.18 : x
  2. Step 2: Convert to fraction form
    1,117,644.86/1,542,307.14 = 634,181.18/x
  3. Step 3: Cross multiply
    1,117,644.86x = 1,542,307.14 × 634,181.18
  4. Step 4: Simplify right side
    1,117,644.86x = 978,102,161,967.63
  5. Step 5: Solve for x
    x = 978,102,161,967.63/1,117,644.86
  6. Step 6: Final answer
    x = 875,145.76

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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.