Home / 1,054,617.78-1,455,365.29-571,171.86

Finding the Fourth Proportional to 1,054,617.78, 1,455,365.29 and 571,171.86

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Solution

The fourth proportional to 1,054,617.78, 1,455,365.29 and 571,171.86 is: 788,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,617.78 : 1,455,365.29 = 571,171.86 : x
  2. Step 2: Convert to fraction form
    1,054,617.78/1,455,365.29 = 571,171.86/x
  3. Step 3: Cross multiply
    1,054,617.78x = 1,455,365.29 × 571,171.86
  4. Step 4: Simplify right side
    1,054,617.78x = 831,263,699,311.76
  5. Step 5: Solve for x
    x = 831,263,699,311.76/1,054,617.78
  6. Step 6: Final answer
    x = 788,213.24

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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.