Home / 1,054,513.79-1,455,221.77-571,067.87

Finding the Fourth Proportional to 1,054,513.79, 1,455,221.77 and 571,067.87

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Solution

The fourth proportional to 1,054,513.79, 1,455,221.77 and 571,067.87 is: 788,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,513.79 : 1,455,221.77 = 571,067.87 : x
  2. Step 2: Convert to fraction form
    1,054,513.79/1,455,221.77 = 571,067.87/x
  3. Step 3: Cross multiply
    1,054,513.79x = 1,455,221.77 × 571,067.87
  4. Step 4: Simplify right side
    1,054,513.79x = 831,030,387,867.75
  5. Step 5: Solve for x
    x = 831,030,387,867.75/1,054,513.79
  6. Step 6: Final answer
    x = 788,069.72

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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.