Home / 1,135,554.06-1,567,066.02-619,308.78

Finding the Fourth Proportional to 1,135,554.06, 1,567,066.02 and 619,308.78

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Solution

The fourth proportional to 1,135,554.06, 1,567,066.02 and 619,308.78 is: 854,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,554.06 : 1,567,066.02 = 619,308.78 : x
  2. Step 2: Convert to fraction form
    1,135,554.06/1,567,066.02 = 619,308.78/x
  3. Step 3: Cross multiply
    1,135,554.06x = 1,567,066.02 × 619,308.78
  4. Step 4: Simplify right side
    1,135,554.06x = 970,497,745,025.66
  5. Step 5: Solve for x
    x = 970,497,745,025.66/1,135,554.06
  6. Step 6: Final answer
    x = 854,646.89

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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.